From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959067; cv=none; d=zoho.com; s=zohoarc; b=mxYQr7OsIU7ToZgczcZGAFcj4KbUwTIZlhww8ayL1O+IstTxv/m5JRahpNYn0z/O8K47HTgpBJiNXomyAQLtHF+WCdc0v2+vLclGVnHBMjfgOLuIqdKNe4bAR72k/drF+nTodUPHHGYTdEFRaIcMVxAiQWzhiLFFoMTB2Oi4DAw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959067; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=ll+dwytI/+MqjY/3fHXBsJoWLxSvkZh54V/wBJgReTQ=; b=WuDNVZ6sZ/voZKOXb2pZRTgggV8D2yTumr2HFnYO7lPJIXyNopZGFeX7c8Q6SUIOVLiwMdjJht/ql1OPtJ21bE2S4PQDFG1h5dzig7qFKXWjaOsk+OOl1BhBk2riUIse9HlVZGU/+82LKL0SqotdVsgRJuuCV88Alj61z1/ZAdw= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959067765322.661301330494; Sun, 4 Aug 2019 15:51:07 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJb-0003Rt-Kl; Sun, 04 Aug 2019 22:49:23 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJa-0003RY-LM for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:22 +0000 Received: from mail-pf1-x441.google.com (unknown [2607:f8b0:4864:20::441]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1901b817-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:21 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id p184so38593361pfp.7 for ; Sun, 04 Aug 2019 15:49:21 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.19 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:19 -0700 (PDT) X-Inumbo-ID: 1901b817-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=AIONVD1ibu9lCnP7gBI5NeGvxxgvVJwLeJRH750Gszo=; b=gJZZQQvmwAPTKnrJBe+ly3fvjfaXUI9ig+EFFukhMT3EgWNu7MIfa2Xzv4wNTIBYye NFJ0dtKSbQJ3MvgPOaANox+0PexWsWwun47HNmnaW64hQ1NJK+gdSzFnsU8ifz8NBkIr aSa5/5lwJ0gzybFkpRxwlqrkvRElsoPkruabuI7OZLYl9GPATcWTn1GgddkEaQmRPfqv Z3Tg2wfua6Z9GfEdNatHRJ4+PcYaht6L9WFhhQ03OkN4K2gxdxDhjCAbZPTWveg0faSy fAJxDkAHd9r8mct4Il8/tP2K+Hmjdf++oXjwtZFm13dDXT5ZjA706JV5qknjjglBcxuw +vWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AIONVD1ibu9lCnP7gBI5NeGvxxgvVJwLeJRH750Gszo=; b=XY07w8jY9GqIVCi/VeuaQeR4ekbAE9Y0YH97hpimh5/MYpzlbMTzLQir1TaSsyiOHd 0rGNO7seu4BHcUeHoWordab8rRXaj0VzMZv/FE3BhC9flB/L8E1lYDPH3kdN9y0g3su7 iAG4nUehtI535n7Se0M8WS/VpQl0hzfSMeWduB/yb7dFQNlNqIDPMsFz6HkdCWdb3fJ4 Slcl/4Yx3+wlHgEqtDFumKJ6Pfe+TjjDQ65If6UTetoYHq0awYuA4CdY+fVtwS9EpEJH aXrSDZYkR7yWmCG5GWJavj+7vGMfhnNbhwr7+EQDvhzEbji3SGDkgXXOJLZj0kC7uA8Y SMUA== X-Gm-Message-State: APjAAAUQpIBQnTkujP+Fsn79W0Qq+mygyI/wkzh522OxmYFXeaTbHPuu DyDnBVgVq+rm7K5SI2AD9LQ= X-Google-Smtp-Source: APXvYqw+Gs8uCFGZ/xGn3M492gK3yhtVQ4yJrqubZlSSb+W+S6ocNyF/MC9tWdBhydO3x2a3gSthgw== X-Received: by 2002:a62:5c01:: with SMTP id q1mr48066780pfb.53.1564958960521; Sun, 04 Aug 2019 15:49:20 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:42 -0700 Message-Id: <20190804224915.28669-2-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 01/34] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Matthew Wilcox , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard Provide a more capable variation of put_user_pages_dirty_lock(), and delete put_user_pages_dirty(). This is based on the following: 1. Lots of call sites become simpler if a bool is passed into put_user_page*(), instead of making the call site choose which put_user_page*() variant to call. 2. Christoph Hellwig's observation that set_page_dirty_lock() is usually correct, and set_page_dirty() is usually a bug, or at least questionable, within a put_user_page*() calling chain. This leads to the following API choices: * put_user_pages_dirty_lock(page, npages, make_dirty) * There is no put_user_pages_dirty(). You have to hand code that, in the rare case that it's required. Reviewed-by: Christoph Hellwig Cc: Matthew Wilcox Cc: Jan Kara Cc: Ira Weiny Cc: Jason Gunthorpe Signed-off-by: John Hubbard Reviewed-by: Ira Weiny --- drivers/infiniband/core/umem.c | 5 +- drivers/infiniband/hw/hfi1/user_pages.c | 5 +- drivers/infiniband/hw/qib/qib_user_pages.c | 13 +-- drivers/infiniband/hw/usnic/usnic_uiom.c | 5 +- drivers/infiniband/sw/siw/siw_mem.c | 19 +--- include/linux/mm.h | 5 +- mm/gup.c | 115 +++++++++------------ 7 files changed, 61 insertions(+), 106 deletions(-) diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 08da840ed7ee..965cf9dea71a 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -54,10 +54,7 @@ static void __ib_umem_release(struct ib_device *dev, str= uct ib_umem *umem, int d =20 for_each_sg_page(umem->sg_head.sgl, &sg_iter, umem->sg_nents, 0) { page =3D sg_page_iter_page(&sg_iter); - if (umem->writable && dirty) - put_user_pages_dirty_lock(&page, 1); - else - put_user_page(page); + put_user_pages_dirty_lock(&page, 1, umem->writable && dirty); } =20 sg_free_table(&umem->sg_head); diff --git a/drivers/infiniband/hw/hfi1/user_pages.c b/drivers/infiniband/h= w/hfi1/user_pages.c index b89a9b9aef7a..469acb961fbd 100644 --- a/drivers/infiniband/hw/hfi1/user_pages.c +++ b/drivers/infiniband/hw/hfi1/user_pages.c @@ -118,10 +118,7 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsi= gned long vaddr, size_t np void hfi1_release_user_pages(struct mm_struct *mm, struct page **p, size_t npages, bool dirty) { - if (dirty) - put_user_pages_dirty_lock(p, npages); - else - put_user_pages(p, npages); + put_user_pages_dirty_lock(p, npages, dirty); =20 if (mm) { /* during close after signal, mm can be NULL */ atomic64_sub(npages, &mm->pinned_vm); diff --git a/drivers/infiniband/hw/qib/qib_user_pages.c b/drivers/infiniban= d/hw/qib/qib_user_pages.c index bfbfbb7e0ff4..26c1fb8d45cc 100644 --- a/drivers/infiniband/hw/qib/qib_user_pages.c +++ b/drivers/infiniband/hw/qib/qib_user_pages.c @@ -37,15 +37,6 @@ =20 #include "qib.h" =20 -static void __qib_release_user_pages(struct page **p, size_t num_pages, - int dirty) -{ - if (dirty) - put_user_pages_dirty_lock(p, num_pages); - else - put_user_pages(p, num_pages); -} - /** * qib_map_page - a safety wrapper around pci_map_page() * @@ -124,7 +115,7 @@ int qib_get_user_pages(unsigned long start_page, size_t= num_pages, =20 return 0; bail_release: - __qib_release_user_pages(p, got, 0); + put_user_pages_dirty_lock(p, got, false); bail: atomic64_sub(num_pages, ¤t->mm->pinned_vm); return ret; @@ -132,7 +123,7 @@ int qib_get_user_pages(unsigned long start_page, size_t= num_pages, =20 void qib_release_user_pages(struct page **p, size_t num_pages) { - __qib_release_user_pages(p, num_pages, 1); + put_user_pages_dirty_lock(p, num_pages, true); =20 /* during close after signal, mm can be NULL */ if (current->mm) diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/= hw/usnic/usnic_uiom.c index 0b0237d41613..62e6ffa9ad78 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.c +++ b/drivers/infiniband/hw/usnic/usnic_uiom.c @@ -75,10 +75,7 @@ static void usnic_uiom_put_pages(struct list_head *chunk= _list, int dirty) for_each_sg(chunk->page_list, sg, chunk->nents, i) { page =3D sg_page(sg); pa =3D sg_phys(sg); - if (dirty) - put_user_pages_dirty_lock(&page, 1); - else - put_user_page(page); + put_user_pages_dirty_lock(&page, 1, dirty); usnic_dbg("pa: %pa\n", &pa); } kfree(chunk); diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/si= w/siw_mem.c index 67171c82b0c4..1e197753bf2f 100644 --- a/drivers/infiniband/sw/siw/siw_mem.c +++ b/drivers/infiniband/sw/siw/siw_mem.c @@ -60,20 +60,6 @@ struct siw_mem *siw_mem_id2obj(struct siw_device *sdev, = int stag_index) return NULL; } =20 -static void siw_free_plist(struct siw_page_chunk *chunk, int num_pages, - bool dirty) -{ - struct page **p =3D chunk->plist; - - while (num_pages--) { - if (!PageDirty(*p) && dirty) - put_user_pages_dirty_lock(p, 1); - else - put_user_page(*p); - p++; - } -} - void siw_umem_release(struct siw_umem *umem, bool dirty) { struct mm_struct *mm_s =3D umem->owning_mm; @@ -82,8 +68,9 @@ void siw_umem_release(struct siw_umem *umem, bool dirty) for (i =3D 0; num_pages; i++) { int to_free =3D min_t(int, PAGES_PER_CHUNK, num_pages); =20 - siw_free_plist(&umem->page_chunk[i], to_free, - umem->writable && dirty); + put_user_pages_dirty_lock(umem->page_chunk[i].plist, + to_free, + umem->writable && dirty); kfree(umem->page_chunk[i].plist); num_pages -=3D to_free; } diff --git a/include/linux/mm.h b/include/linux/mm.h index 0334ca97c584..9759b6a24420 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1057,8 +1057,9 @@ static inline void put_user_page(struct page *page) put_page(page); } =20 -void put_user_pages_dirty(struct page **pages, unsigned long npages); -void put_user_pages_dirty_lock(struct page **pages, unsigned long npages); +void put_user_pages_dirty_lock(struct page **pages, unsigned long npages, + bool make_dirty); + void put_user_pages(struct page **pages, unsigned long npages); =20 #if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) diff --git a/mm/gup.c b/mm/gup.c index 98f13ab37bac..7fefd7ab02c4 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -29,85 +29,70 @@ struct follow_page_context { unsigned int page_mask; }; =20 -typedef int (*set_dirty_func_t)(struct page *page); - -static void __put_user_pages_dirty(struct page **pages, - unsigned long npages, - set_dirty_func_t sdf) -{ - unsigned long index; - - for (index =3D 0; index < npages; index++) { - struct page *page =3D compound_head(pages[index]); - - /* - * Checking PageDirty at this point may race with - * clear_page_dirty_for_io(), but that's OK. Two key cases: - * - * 1) This code sees the page as already dirty, so it skips - * the call to sdf(). That could happen because - * clear_page_dirty_for_io() called page_mkclean(), - * followed by set_page_dirty(). However, now the page is - * going to get written back, which meets the original - * intention of setting it dirty, so all is well: - * clear_page_dirty_for_io() goes on to call - * TestClearPageDirty(), and write the page back. - * - * 2) This code sees the page as clean, so it calls sdf(). - * The page stays dirty, despite being written back, so it - * gets written back again in the next writeback cycle. - * This is harmless. - */ - if (!PageDirty(page)) - sdf(page); - - put_user_page(page); - } -} - /** - * put_user_pages_dirty() - release and dirty an array of gup-pinned pages - * @pages: array of pages to be marked dirty and released. + * put_user_pages_dirty_lock() - release and optionally dirty gup-pinned p= ages + * @pages: array of pages to be maybe marked dirty, and definitely releas= ed. * @npages: number of pages in the @pages array. + * @make_dirty: whether to mark the pages dirty * * "gup-pinned page" refers to a page that has had one of the get_user_pag= es() * variants called on that page. * * For each page in the @pages array, make that page (or its head page, if= a - * compound page) dirty, if it was previously listed as clean. Then, relea= se - * the page using put_user_page(). + * compound page) dirty, if @make_dirty is true, and if the page was previ= ously + * listed as clean. In any case, releases all pages using put_user_page(), + * possibly via put_user_pages(), for the non-dirty case. * * Please see the put_user_page() documentation for details. * - * set_page_dirty(), which does not lock the page, is used here. - * Therefore, it is the caller's responsibility to ensure that this is - * safe. If not, then put_user_pages_dirty_lock() should be called instead. + * set_page_dirty_lock() is used internally. If instead, set_page_dirty() = is + * required, then the caller should a) verify that this is really correct, + * because _lock() is usually required, and b) hand code it: + * set_page_dirty_lock(), put_user_page(). * */ -void put_user_pages_dirty(struct page **pages, unsigned long npages) +void put_user_pages_dirty_lock(struct page **pages, unsigned long npages, + bool make_dirty) { - __put_user_pages_dirty(pages, npages, set_page_dirty); -} -EXPORT_SYMBOL(put_user_pages_dirty); + unsigned long index; =20 -/** - * put_user_pages_dirty_lock() - release and dirty an array of gup-pinned = pages - * @pages: array of pages to be marked dirty and released. - * @npages: number of pages in the @pages array. - * - * For each page in the @pages array, make that page (or its head page, if= a - * compound page) dirty, if it was previously listed as clean. Then, relea= se - * the page using put_user_page(). - * - * Please see the put_user_page() documentation for details. - * - * This is just like put_user_pages_dirty(), except that it invokes - * set_page_dirty_lock(), instead of set_page_dirty(). - * - */ -void put_user_pages_dirty_lock(struct page **pages, unsigned long npages) -{ - __put_user_pages_dirty(pages, npages, set_page_dirty_lock); + /* + * TODO: this can be optimized for huge pages: if a series of pages is + * physically contiguous and part of the same compound page, then a + * single operation to the head page should suffice. + */ + + if (!make_dirty) { + put_user_pages(pages, npages); + return; + } + + for (index =3D 0; index < npages; index++) { + struct page *page =3D compound_head(pages[index]); + /* + * Checking PageDirty at this point may race with + * clear_page_dirty_for_io(), but that's OK. Two key + * cases: + * + * 1) This code sees the page as already dirty, so it + * skips the call to set_page_dirty(). That could happen + * because clear_page_dirty_for_io() called + * page_mkclean(), followed by set_page_dirty(). + * However, now the page is going to get written back, + * which meets the original intention of setting it + * dirty, so all is well: clear_page_dirty_for_io() goes + * on to call TestClearPageDirty(), and write the page + * back. + * + * 2) This code sees the page as clean, so it calls + * set_page_dirty(). The page stays dirty, despite being + * written back, so it gets written back again in the + * next writeback cycle. This is harmless. + */ + if (!PageDirty(page)) + set_page_dirty_lock(page); + put_user_page(page); + } } EXPORT_SYMBOL(put_user_pages_dirty_lock); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959056; cv=none; d=zoho.com; s=zohoarc; b=D3871oWs4YF2JkZWHyfj8lOMhmXaarb0mmlPBQ0F4DOl5sWakj7sQB2VFwK7AhN5GWzxnrCV6fnsdItSO1J7CChGxwQI9ZeRMflC4XMAY5ZsPgz8wa43YEXM73y3vpIkcgZSiNbSWrg7wpTMyEnQnqiwUadcStZzMumqNoef1Qg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959056; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=6tQcXmtjrds9wubtE88FSoE/grxh5BVW/A4tNBqHwsc=; b=CFpp9G+wdDxkqW0rnwixwLsL3WUHF7RgL0AXUpLK6YlYM9gi/GW+tB0k7h+cnA81jnbGbr34DPP9r+eXOJ54FjbDFoDhOLUuEZueo3PTv+mK0k3tW1hY3Gba4FehXd4D/q5nEtkhgAzMTXtM2+18Q6g8TWdkykQXB0YSr48qSks= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959056894383.1265728631229; Sun, 4 Aug 2019 15:50:56 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJc-0003SA-Uk; Sun, 04 Aug 2019 22:49:24 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJb-0003S0-Uq for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:23 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 19d3c1fb-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:22 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id k8so35701704plt.3 for ; Sun, 04 Aug 2019 15:49:22 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.20 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:21 -0700 (PDT) X-Inumbo-ID: 19d3c1fb-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qSYlns3rxzw4u/DyjG2ivKH4pSlvpz3tTvNpv+Vzl0A=; b=jybTYrVi3/xq5/4/5FbFZ3A+Avi8eGYC8zV2Lajlkkya81v1pvJ+j//mJRmP4os7lD Pd8/w1skHq1YhYCv/cTm/07sKK/5LLwMY8yKb56jpoRl4sOTEaO+YO4fS+uW5ibDjRY4 SK47Sk33sgjSTM7WW3t5om3RQhbUAfKBukSB3Qa58elVFhWeS7gpKY2dEl5CUEmL0GkT cJU+T8cGekNAadyTXtrRFo2GhHLpIpM1jLMDjk030E5OQOxXyXaMHIl1GlqZCTT1a7gE aQRQ8be9PYnGm7aS2SHXD5MvGcDLHk+brY9g31PQLix1KL7YxVkXuE8j/pWB0S9GgrCJ uOkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qSYlns3rxzw4u/DyjG2ivKH4pSlvpz3tTvNpv+Vzl0A=; b=U89GVc9RDkLTjvR1DPl4UH07beO1jyCwaIFdNcFZzep75kT7myeud3USFsk1UBYo3a xcW2cuBlyvwlYHhToB90QGMIRIsXN+UYF2uqc3jStBfSf1GNK8gaDWl3web81dw7CjBX mEpphHpGNObSPP8GmSuVKd7JiQN8+AdTL7w6Y0tmIYaIFvaHdurhur2FIGWkmBKMlCP4 OMy6b7Jw4ONPKdp/0bum52sPOvY8TUtWhAf1RgXR8eP5+2Yr0XyaS/0ZcL8CYjMjNhU5 u4KSlyUY/LK7gwJ3ijNS33vPtspiWaf+93jymTNBqeeJ2eS6TgjapNhrwbETbrMAZhvD RFaw== X-Gm-Message-State: APjAAAXDvXXybeTpmq4RJiBull4Daif02Hw+w4EJ1aU2jFgoSfEOOtIX C2/xspfjfOUrGom74lpc/9E= X-Google-Smtp-Source: APXvYqzWB5R7n8mlQi4NRUdHeMD3L3s1VHDWKbtchA3/EyzJr1LK3u0mwvhN/yz/RE2XpFwfmsejNQ== X-Received: by 2002:a17:902:b48c:: with SMTP id y12mr106521467plr.202.1564958962017; Sun, 04 Aug 2019 15:49:22 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:43 -0700 Message-Id: <20190804224915.28669-3-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 02/34] net/rds: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, Santosh Shilimkar , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Santosh Shilimkar Cc: David S. Miller Cc: netdev@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: rds-devel@oss.oracle.com Signed-off-by: John Hubbard --- net/rds/info.c | 5 ++--- net/rds/message.c | 2 +- net/rds/rdma.c | 15 +++++++-------- 3 files changed, 10 insertions(+), 12 deletions(-) diff --git a/net/rds/info.c b/net/rds/info.c index 03f6fd56d237..ca6af2889adf 100644 --- a/net/rds/info.c +++ b/net/rds/info.c @@ -162,7 +162,6 @@ int rds_info_getsockopt(struct socket *sock, int optnam= e, char __user *optval, struct rds_info_lengths lens; unsigned long nr_pages =3D 0; unsigned long start; - unsigned long i; rds_info_func func; struct page **pages =3D NULL; int ret; @@ -235,8 +234,8 @@ int rds_info_getsockopt(struct socket *sock, int optnam= e, char __user *optval, ret =3D -EFAULT; =20 out: - for (i =3D 0; pages && i < nr_pages; i++) - put_page(pages[i]); + if (pages) + put_user_pages(pages, nr_pages); kfree(pages); =20 return ret; diff --git a/net/rds/message.c b/net/rds/message.c index 50f13f1d4ae0..d7b0d266c437 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -404,7 +404,7 @@ static int rds_message_zcopy_from_user(struct rds_messa= ge *rm, struct iov_iter * int i; =20 for (i =3D 0; i < rm->data.op_nents; i++) - put_page(sg_page(&rm->data.op_sg[i])); + put_user_page(sg_page(&rm->data.op_sg[i])); mmp =3D &rm->data.op_mmp_znotifier->z_mmp; mm_unaccount_pinned_pages(mmp); ret =3D -EFAULT; diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 916f5ec373d8..6762e8696b99 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -162,8 +162,7 @@ static int rds_pin_pages(unsigned long user_addr, unsig= ned int nr_pages, pages); =20 if (ret >=3D 0 && ret < nr_pages) { - while (ret--) - put_page(pages[ret]); + put_user_pages(pages, ret); ret =3D -EFAULT; } =20 @@ -276,7 +275,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct r= ds_get_mr_args *args, =20 if (IS_ERR(trans_private)) { for (i =3D 0 ; i < nents; i++) - put_page(sg_page(&sg[i])); + put_user_page(sg_page(&sg[i])); kfree(sg); ret =3D PTR_ERR(trans_private); goto out; @@ -464,9 +463,10 @@ void rds_rdma_free_op(struct rm_rdma_op *ro) * to local memory */ if (!ro->op_write) { WARN_ON(!page->mapping && irqs_disabled()); - set_page_dirty(page); + put_user_pages_dirty_lock(&page, 1, true); + } else { + put_user_page(page); } - put_page(page); } =20 kfree(ro->op_notifier); @@ -481,8 +481,7 @@ void rds_atomic_free_op(struct rm_atomic_op *ao) /* Mark page dirty if it was possibly modified, which * is the case for a RDMA_READ which copies from remote * to local memory */ - set_page_dirty(page); - put_page(page); + put_user_pages_dirty_lock(&page, 1, true); =20 kfree(ao->op_notifier); ao->op_notifier =3D NULL; @@ -867,7 +866,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_mes= sage *rm, return ret; err: if (page) - put_page(page); + put_user_page(page); rm->atomic.op_active =3D 0; kfree(rm->atomic.op_notifier); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; 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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.22 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:23 -0700 (PDT) X-Inumbo-ID: 1ac11f08-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WGaquJbd5n3vWHVjzVcVo6+uSZsjc3dg9cLGAnxVc2E=; b=S3jwFjBv5vti4GSNOLl7usS2vDqH0Q9mdQIeQBRHCABbXZXQSp9OsVY/w2xyL7nTP8 ZYecNdZYrgO7L+BkQcVPzicUza9nsgbAymJTn56ppaJJ1MbzTKSlKgcZSuVPBHENjv96 hkgFAzqYxwazXKgNX9N/DjLopqfptr24zOfeivm8zYWH/Y75M1kPiFzhZPYTKsRYejq8 i/m0sGMLE0jqJ3DENlV+rsSfWOzYUSK0mHJPDAK/WyMC/O+T7ek80SstkS2+jwGF+2aN 2FgMJxAUKbEXaB1QNjEZ05NRrBMlTBOCQS3Bubk6f7+zHMTxlbMDQcuH/aK8PZQ95vOe ii3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WGaquJbd5n3vWHVjzVcVo6+uSZsjc3dg9cLGAnxVc2E=; b=Gscwn1FtF4UMxvUAOjZREf/StMqCBPp6a6/GgCUb65DEtSIacMmQnrU/Wju4tDjzPm 1MFLBSk5i5MIcAufeooH3xAY1niTJktniP33dPX6HDOCeQNfO82EC9OaeYn5POucsoq2 d2N1GV5UwlJo+tbiWEbN+cLxoenOE7HqxDwy+aqdqu3gwVjsPsTqcWXK3w3XXJE3srNO lPz2ecKp7Mjp1Qao/LcbwG2US9q0pMCu34+47oULXE9mo36UQT33KgXOBZT6ZKbLLUMZ CcPEYJ1eoWeNjUJ+XLs3255EK4mgYKm/0frH4FYTtcg9P9pt5S4FBNJvD+Q/vz2SkVhf eIzw== X-Gm-Message-State: APjAAAWb6JXySLyHw1DjKByJ5CLnbAw70XehAxErt3XnyHuRT712bN/k cFLd5rXH6/tAxxBX7AVL8Mg= X-Google-Smtp-Source: APXvYqzMm6zKD1x+1cfVe8U+T090I2azs0Ee52Xlzl7grLFlv9DOqy91TsDRd0lMc4ZI9h+s7gPOKQ== X-Received: by 2002:a65:41c6:: with SMTP id b6mr76655023pgq.269.1564958963508; Sun, 04 Aug 2019 15:49:23 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:44 -0700 Message-Id: <20190804224915.28669-4-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 03/34] net/ceph: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Sage Weil , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, Ilya Dryomov , devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, Jeff Layton , LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Acked-by: Jeff Layton Cc: Ilya Dryomov Cc: Sage Weil Cc: David S. Miller Cc: ceph-devel@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: John Hubbard --- net/ceph/pagevec.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 64305e7056a1..c88fff2ab9bd 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -12,13 +12,7 @@ =20 void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) { - int i; - - for (i =3D 0; i < num_pages; i++) { - if (dirty) - set_page_dirty_lock(pages[i]); - put_page(pages[i]); - } + put_user_pages_dirty_lock(pages, num_pages, dirty); kvfree(pages); } EXPORT_SYMBOL(ceph_put_page_vector); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959060; cv=none; d=zoho.com; s=zohoarc; b=NSGp/lG+qm4Qio5iKiugz69Va72OwRGJTLvdPO7LtFXzpgASGVWVrKJcRSQmiRN6A2Mijmz6+VbCMd37vvF/vnsGGIMTPC692TFTdGNuLyhXB0YnuiXuMkrC7QDOI2Jt6BO7nHg5k7YTksIOoAzkS1m2LwCrYIeutU5VLt+TNf4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959060; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=7N+t3UcZHiOUyXVErK2aOdMq+fSpdx7AAAim93ovr7A=; b=ZEp29a0MYAgk2S/QL/0EPsXdSfySwhWRxw8pYm7oL/bkPj+a+TIN8UduBdHklx1iO+tEjtB9IwFLQ0HytIqQvupjJfQh+IATcvuWe4qYL4jkLI7FfBkXldRHc4+2H4CDi46oMiPkDyq7UI9eTxEmijoUSmsjKGlxH7EgKjzguaM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959060839322.3782632829483; Sun, 4 Aug 2019 15:51:00 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJg-0003Sp-HH; Sun, 04 Aug 2019 22:49:28 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJe-0003SR-Gn for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:26 +0000 Received: from mail-pf1-x441.google.com (unknown [2607:f8b0:4864:20::441]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1bcb15e8-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:25 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id b13so38598502pfo.1 for ; Sun, 04 Aug 2019 15:49:25 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.23 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:24 -0700 (PDT) X-Inumbo-ID: 1bcb15e8-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=o0zfkIFt+6JH2qCeaVwPptBUW8DYTI9b55PprZaXkM8=; b=H+TbmcIgrwACxFo9hl2l5Xjf1f4GsBt3cThAJffGoVTGjng2zDR+vuW1ELmO9cwqUz zWIfVJ0ECGbvkQCKwqluHnqhDjnVY4M3JR5j9zUjgsJ4KIo9Jdd0V01x7wYmYDPTzYc0 2jx8SovBWIpXNDy6R5BQslstKFd50o4jcCzDRtzpOpp5UZEbCq0wLfyRsWQbHo85Apl6 6aso8ZPOFALMDQpmQJWkBkmOSbB25/wfG2bt9gcemYDwOVD8vq08Rd+SZJr2wXg0pz6k SDHNDSjbHSOs0ynQ5oDFI2egfnr7bliii2ZaEObWVPQlOvI2whQIUmO0CHVVfGDuWZsi brew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=o0zfkIFt+6JH2qCeaVwPptBUW8DYTI9b55PprZaXkM8=; b=qgGXGFVGE3iHK94yeO1Tb0PlKyBCEvJUvaRVOKyXq+70G4kZSi2HvJXB3FgrEas8P5 /47cgQBsWWFougKXB5/mYuhXlu6IHI4GOgqXjdChoUib99LwT/3Gr8n9HpiNLDZ0qw1Y NEjyQkOZVz3D5utvXItGpwJ5JQgTF4U0OkjyHQSxj5qG1BIaEZgFVaYSOJw9VoSUbK0N Az/25bUAgAsidzfGb2VixFeF+Ad6XWTW3kkrnbtIvDGAdD9VLeGPYY4Slbb89J4vp05R Oy6SUicsO8Yx0Xg39llPuG6iicKZT/W5ncP4lzU9UpjOUazy7RMxwRvXTSsalFQVP1ZU vmgA== X-Gm-Message-State: APjAAAWt612BMgc3xlODum2LmmbyqAehoGJbGneAqnCcMizjIXTT4GMr 0JD/pkJVBYWVKCBVwsBpLz0= X-Google-Smtp-Source: APXvYqwRJ1sJ/rrgIE94buNkF2wqaHOY76PrdCWNDeiwr3VYQjX9Duq5YnDYkLulcSwytNSAtlk/zQ== X-Received: by 2002:a63:6bc5:: with SMTP id g188mr104077235pgc.225.1564958965247; Sun, 04 Aug 2019 15:49:25 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:45 -0700 Message-Id: <20190804224915.28669-5-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 04/34] x86/kvm: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "H . Peter Anvin" , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Joerg Roedel , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Paolo Bonzini Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Joerg Roedel Cc: Paolo Bonzini Cc: Radim Kr=C4=8Dm=C3=A1=C5=99 Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Cc: x86@kernel.org Cc: kvm@vger.kernel.org Signed-off-by: John Hubbard --- arch/x86/kvm/svm.c | 4 ++-- virt/kvm/kvm_main.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 7eafc6907861..ff93c923ed36 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1827,7 +1827,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, = unsigned long uaddr, =20 err: if (npinned > 0) - release_pages(pages, npinned); + put_user_pages(pages, npinned); =20 kvfree(pages); return NULL; @@ -1838,7 +1838,7 @@ static void sev_unpin_memory(struct kvm *kvm, struct = page **pages, { struct kvm_sev_info *sev =3D &to_kvm_svm(kvm)->sev_info; =20 - release_pages(pages, npages); + put_user_pages(pages, npages); kvfree(pages); sev->pages_locked -=3D npages; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 887f3b0c2b60..4b6a596ea8e9 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1499,7 +1499,7 @@ static int hva_to_pfn_slow(unsigned long addr, bool *= async, bool write_fault, =20 if (__get_user_pages_fast(addr, 1, 1, &wpage) =3D=3D 1) { *writable =3D true; - put_page(page); + put_user_page(page); page =3D wpage; } } @@ -1831,7 +1831,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean); void kvm_release_pfn_clean(kvm_pfn_t pfn) { if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn)) - put_page(pfn_to_page(pfn)); + put_user_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959063; cv=none; d=zoho.com; s=zohoarc; b=kTeALLV+Dqp/RnPMNU1kLEKJ4tGICxMD1SnrL/xFbvOMMg6Hsl+kFU6/jI1LreTf2MjfAjc0qP8o5vVkZimlAnnBmAk/VJFFemRfBY7t52kaM/mhSy2WO71lqwldO8njeHpY5OnYC9u+hpOj/NGXK3jbCuap5IUJkKQ0NqsmhlI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959063; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=iKDwNUafOLd6+pj2000yKXGwhEUyDQfiH0AT8tHnaAI=; b=JmDE7mXuRJ9EaOm4k4+XTh8j/TpSu+v5qdhO+jSlKWzWluCmWfYA3KAcaOxYARwSXhDsv8o5iD1aKqclWxSqnd/Hztf5SSPvoKNB4Qkf4ihilN6nTOyERcSKSte+5o0pG1Ni2s1dpKVIaBQsQI4W8R9cm4RThQ1w0B4g97TdlXg= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959063784981.0492299840411; Sun, 4 Aug 2019 15:51:03 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJh-0003TO-Vz; Sun, 04 Aug 2019 22:49:29 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJg-0003So-Fj for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:28 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1ccf1eb8-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:27 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id t132so38659569pgb.9 for ; Sun, 04 Aug 2019 15:49:27 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.25 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:26 -0700 (PDT) X-Inumbo-ID: 1ccf1eb8-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VkIZ9MNYeaRKdR8dFo+dHbwqWBHsgbjux0NTtbbQ8Os=; b=DhwBCoFCjpXXdmoliRK4JR+mRQlogKVYcH9LUuFtCy5jqYLU3k2OV3s9LP9elRQpt2 2Qt+Jvy9o/orbaOtkd5nujRaPffgwNAgLXVc5HDVur7G30S2Sl9zwlVnpzafHXHFDZ1Y umZN5BHQdMTYT4X05o9uchQBU3Ah8LnDb0ocwD8ZU/M3RqzWJ8pCyTsH7SaHwW7GrjOD aK4wvB8Fvq+qEmTkGzq512g25DZ6euAbWJjnzFQ81OfVHghvVkS7cIlTWY1k0D9tavPD XawoZ7kFyduEl8FG9r2zLh1TsUY0NTur+fJ3ZJLf5PCbd+OiidMkSeuctXmr4WSpmpht zqKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VkIZ9MNYeaRKdR8dFo+dHbwqWBHsgbjux0NTtbbQ8Os=; b=VruDyTituIpXXAKwi2y6r6LcljKV8UkNOcsZz1oqeRj1licKxZlVXjBeC/+vCwA60i hTGVTsHF93lRLTwn+GQcTzgces0jMulGArmyRavxe/CYxdTbjB+NlhvoNiWu6uK5Z5qd i2KzJuNtzBT6g7wfTb8lc9AzZRKjaVDX9VL/EezKXifqlxuEYtUKiL0Ga5CMmIPyqbr/ 2+a8KYaX0SAYjhn9T0jUaUGdBcxbMktP7p96KsXfYaE3YJLYoln5KkhDiqIYSpBYxOY6 nQqDFzKxZJgNVQ6d1uMxIMjOjc9feCPO4RFhCiVnc5p33/pqKbHgGNYpZsWjzKhHi3UA GMPA== X-Gm-Message-State: APjAAAWa4Y+QkOaB5yQAOpeg2HqMhSJhNbKtFDFgSnGCR45WDDK46OkD JzF413jpBKlZBmsCRRlv1RI= X-Google-Smtp-Source: APXvYqzRKprB2NEk077YJTrqhmGmbwyku3vUkgW0ycQFuEdLCQ5MyA814ojj8/NKptlwnKhmOHLKBQ== X-Received: by 2002:a65:6815:: with SMTP id l21mr45892702pgt.146.1564958966963; Sun, 04 Aug 2019 15:49:26 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:46 -0700 Message-Id: <20190804224915.28669-6-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 05/34] drm/etnaviv: convert release_pages() to put_user_pages() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "H . Peter Anvin" , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Joerg Roedel , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Paolo Bonzini Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Joerg Roedel Cc: Paolo Bonzini Cc: Radim Kr=C4=8Dm=C3=A1=C5=99 Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: H. Peter Anvin Cc: x86@kernel.org Cc: kvm@vger.kernel.org Signed-off-by: John Hubbard --- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnavi= v/etnaviv_gem.c index e8778ebb72e6..a0144a5ee325 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -686,7 +686,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv= _gem_object *etnaviv_obj) ret =3D get_user_pages_fast(ptr, num_pages, !userptr->ro ? FOLL_WRITE : 0, pages); if (ret < 0) { - release_pages(pvec, pinned); + put_user_pages(pvec, pinned); kvfree(pvec); return ret; } @@ -710,7 +710,7 @@ static void etnaviv_gem_userptr_release(struct etnaviv_= gem_object *etnaviv_obj) if (etnaviv_obj->pages) { int npages =3D etnaviv_obj->base.size >> PAGE_SHIFT; =20 - release_pages(etnaviv_obj->pages, npages); + put_user_pages(etnaviv_obj->pages, npages); kvfree(etnaviv_obj->pages); } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959061; cv=none; d=zoho.com; s=zohoarc; b=mjKA4YGBl/llVbNJnixkPlTkF2RGFI2ATWl3GrFGYBO7AfAcxFKuNIIOIZ7FyKg3HhkUGuTiQuIPCyCu8h0zBplvgpa/kxKABAhsVoz36+QtIPQGEp+1WKwyGdA14nrz8cZTkU8rH1xEVtu4hy3O9YR19NPaj/fmY4ZB795V/a0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959061; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=KbJClz7SurNLuZA0oDhq81xyWC97x1GadBH5GSwn4/c=; b=ik3jr69ek7y4tDd8lDjUGkpFyawi59BcUGZhR/6kfy81dVtqKyy8I5kvdWXCHzHkIEq4CKtzOT+9BqFLXQWYgVfmfeUlxOY7TlzoFETOUm3XRr/PggVVlZFJ6ZbbKfkEr//Xz7w+t6csohvjJ96z21RDc9KUqvR8ZvwMc3GMjjE= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959061590235.9961821032456; Sun, 4 Aug 2019 15:51:01 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJk-0003Ts-92; Sun, 04 Aug 2019 22:49:32 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJi-0003TX-Ox for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:30 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1dcbc463-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:29 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id 19so38589507pfa.4 for ; Sun, 04 Aug 2019 15:49:29 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.27 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:28 -0700 (PDT) X-Inumbo-ID: 1dcbc463-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YLPz5BCHjHkg+J9ZI8yxOLwnUAw8CiRxIyzlmsd6bb8=; b=VGrPeNjqXUKwD8rPOUJWvgTDjvXlBgpZNgVsAZpGvh41vX88GkAws7QVpEp9tEzYXW EWAxbuchsvglHqS59E2TkHXvzV9QiwRyVicm9YfNC1RSq1Lw+8bSeox7MCzKs4UlTpfP ozXvShoKM7yUTPqi96o4h71oG13jljV2Z5NhvBV41avMLU4Q1BrhH8GwT114cWkCl1MF d261JitS12TLzntNYSyrJZWMAgzBr9+636G4ae4VYGKmmjZF/lcCezF8KGvZPOFySOt6 etVud9nCJxdyVx56j1jluPcIcFoQjayW3OLzqWiVdA46hf2UCQT0Dq3HzUpJLfZuSPrQ 6mhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YLPz5BCHjHkg+J9ZI8yxOLwnUAw8CiRxIyzlmsd6bb8=; b=SnuhmQhVI87pj4pmkspxu5KPdEDPv/OqSqbVITbiyEqNNQ0401w129m3KnWsl2aZrG ANbP+pbV8smep+San51TS9poP6dW4F9GFgWrsDSWziMf/uxuT47/AwlGKLIW2i71qC36 xmmm+plWWVWatYZyRYIrVO0V9rxUvYbO83rpGV72e2PQliYyHxt3NYGEc2A/+hXOdDVc 4z3K+M96l0ym/b6cl+iwesi5Klh5IOFmEuFG0VmYxIVuBk26OuPbdkXNxRrLihTQRMsd rwl/wRak+ojOiC0ZwPvgbkfc9KrFmbyLuOXnh0fQbfXNsh1UH2I8+kcKbtQx4qaz6HdK wkgA== X-Gm-Message-State: APjAAAXOJeBVi/dkj/lxOa3KcUJOTZTX/k2IMeHX7TMDmP+olO8t1Lmy YEjQfgPh3fqMQ1VmMtNekhE= X-Google-Smtp-Source: APXvYqzIKv6XtE7UttpMMo5Kx4L8tiNE0k37oAlXEn6wMXua1ZT012h1Fuu1D5Rv1jbsWDQQbHwbnw== X-Received: by 2002:a65:6547:: with SMTP id a7mr112462494pgw.65.1564958968612; Sun, 04 Aug 2019 15:49:28 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:47 -0700 Message-Id: <20190804224915.28669-7-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 06/34] drm/i915: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, David Airlie , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Joonas Lahtinen , John Hubbard , intel-gfx@lists.freedesktop.org, Jani Nikula , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Rodrigo Vivi , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This is a merge-able version of the fix, because it restricts itself to put_user_page() and put_user_pages(), both of which have not changed their APIs. Later, i915_gem_userptr_put_pages() can be simplified to use put_user_pages_dirty_lock(). Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Rodrigo Vivi Cc: David Airlie Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Hubbard --- drivers/gpu/drm/i915/gem/i915_gem_userptr.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/= i915/gem/i915_gem_userptr.c index 2caa594322bc..76dda2923cf1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -527,7 +527,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct = *_work) } mutex_unlock(&obj->mm.lock); =20 - release_pages(pvec, pinned); + put_user_pages(pvec, pinned); kvfree(pvec); =20 i915_gem_object_put(obj); @@ -640,7 +640,7 @@ static int i915_gem_userptr_get_pages(struct drm_i915_g= em_object *obj) __i915_gem_userptr_set_active(obj, true); =20 if (IS_ERR(pages)) - release_pages(pvec, pinned); + put_user_pages(pvec, pinned); kvfree(pvec); =20 return PTR_ERR_OR_ZERO(pages); @@ -675,7 +675,7 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *= obj, set_page_dirty_lock(page); =20 mark_page_accessed(page); - put_page(page); + put_user_page(page); } obj->mm.dirty =3D false; =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959039; cv=none; d=zoho.com; s=zohoarc; b=hjoUPT463KGj5CPdVbh8C6YGuS2K4BR/gnzsvs/MbfLjby6WEMsOfnnuZ9whLHMMLuvxxs/5ptSMi3YpoMV96q1siwbkgAEFVbWXC7PBqN3+sq64lBC0Lpe72FXxSfje9KMAp/3Zvit5a8YWll9qpCMJAqqbh4a3tFDi1j1i3vw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959039; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=a8cmNWLlZM98XG3uThwxM9+3tTBMuCNi7AKFGD2S8ek=; b=MKGBpU8gMAf5u2v/CfsGiMdAvyrSvqvXbMt4naFT2TLJTDAe8cppNKnrr04S9mVtVkhgPR5P//AanloyhkFY6sR7wwQhUlgHHylqxZYf5vJSG2rFyv1eIrY9LKw/hDu0r8Yo+ft2ck6ikKxdZ4aI6bLbSnJhAw1iT6gxEq7eVlU= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959039017351.57421465270113; Sun, 4 Aug 2019 15:50:39 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJl-0003UG-Jm; Sun, 04 Aug 2019 22:49:33 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJk-0003Tj-0L for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:32 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1eb8a9d0-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:30 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id k8so35701769plt.3 for ; Sun, 04 Aug 2019 15:49:30 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.28 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:29 -0700 (PDT) X-Inumbo-ID: 1eb8a9d0-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=o2GwgSJoRuvPfZ2J7Awdgxw+WyrY01QvDnyFb1fV9Xk=; b=IixwRKA1QE3hWrmSzVu2XYy+JWLjNAQrucyf3NmNwYmsVM90KnIP/Y31YnkjOev47U W5BLgfFrXSW8PROIAFlomTaKNpVy1Vu5By67adxMe4BBJxN/wVE8FkT1LMOB065Mk0v2 mSKCOGzenGHlXCxavESBy8UzJUM5v3SbHyYItPfvN0BCRa3ugcdFoCHED6cZcBJjkH8M ktZ6/qTMPJteWEcAIxyF4khSUAdUalV8iDMz2BZGmRYRaKNynSgB+6FWP696OD7W7rKp ihl6Zic4VgOX9hVo+fby0upSQX/BJURRdR3g7cpl9a4Zd0ppOamvzLqwtGuG3Jg66+lE 8+nQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=o2GwgSJoRuvPfZ2J7Awdgxw+WyrY01QvDnyFb1fV9Xk=; b=CJSa9TUfrnW4lDAW4IsgBSEreOorPhzY/Ej9cN1YWjEsoV9oFPe+/xPlu5fS/pZmsS UPFN1rmwN8kyKBfAhzKNICuB8u3Xh7b51WDZ2Tc/bHKhgEg6sFx+zuTjsMzezelUxMUy njEXKAyaXKUt+gh1ITTbTjt0R7vBcwvnfOGjSoESFdg1El6yCZK5/GKKFqX/CS+UD4dw TiGKBLvD8He8ddhyq2k4TkTIAyQAf3CXmsX2nB2jQH4AjpKAmOLtzlGiLbisBspI4jNx v7lZ4shYdi9isnBt9xNvv0ddFvCX+gMgVp9GIeXICRW/SGuMf1dhYv1qGmFiAQDvTbT0 1TYg== X-Gm-Message-State: APjAAAXmEYPasmTLE0z+jSS9S7rwkAptqlhyT98ETYmWQA4z7hzHDCo9 LYPjVF8O10BXhJIc+753lR2NGJiR X-Google-Smtp-Source: APXvYqzkwKiNRyTGG1wY4vsK+VenpXGpZnU+FOR0NniR/kq9Ywi59tDMXfkUVow9nHIhYFHAcQFleQ== X-Received: by 2002:a17:902:e282:: with SMTP id cf2mr143340556plb.301.1564958970256; Sun, 04 Aug 2019 15:49:30 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:48 -0700 Message-Id: <20190804224915.28669-8-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 07/34] drm/radeon: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, David Airlie , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, David Zhou , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, Alex Deucher , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, =?UTF-8?q?Christian=20K=C3=B6nig?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Alex Deucher Cc: Christian K=C3=B6nig Cc: David (ChunMing) Zhou Cc: David Airlie Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Hubbard --- drivers/gpu/drm/radeon/radeon_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/r= adeon_ttm.c index fb3696bc616d..4c9943fa10df 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -540,7 +540,7 @@ static int radeon_ttm_tt_pin_userptr(struct ttm_tt *ttm) kfree(ttm->sg); =20 release_pages: - release_pages(ttm->pages, pinned); + put_user_pages(ttm->pages, pinned); return r; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959057; cv=none; d=zoho.com; s=zohoarc; b=hrBkInAoT6OBVBAvEkepcKDKPdGAjOlvhXWQufn4ESHwYCSSdniBCRNK5mgfEUU6YCBAOV4esmUoMewTxOjKCw4GHOinDH93T034zbeItlNuhezOGf6rx6SVSkYLGjWf67cTLC7pm6xh2QKBmMvZC7Er+jKoKUFCAdfUakC1Vgg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959057; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=tNC9szJUtpXsKbYE0QnaPk5Ycs1nbU1fNzb44IOgzlw=; b=JwYAEGSv/Pj6DmejU/seuN2az8rPrPLCEZLs1ZTwehznklkNxqmrRCrw0S7chZ4OcUIrJlj0y8aIu/0kJBTLCBoiEmNee4W9j5HqIGYGiCDSOGF51YiyMlr13f8b9jznLkZM9ZvV0AySAsVovyhzbNgEGcZARyhjD82+0h330Go= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959057740815.4099038027201; Sun, 4 Aug 2019 15:50:57 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJl-0003Ue-VU; Sun, 04 Aug 2019 22:49:33 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJl-0003U4-74 for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:33 +0000 Received: from mail-pg1-x543.google.com (unknown [2607:f8b0:4864:20::543]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1fb33c2a-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:32 +0000 (UTC) Received: by mail-pg1-x543.google.com with SMTP id d1so5848229pgp.4 for ; Sun, 04 Aug 2019 15:49:32 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.30 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:31 -0700 (PDT) X-Inumbo-ID: 1fb33c2a-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=51+On65LrNSvXr2lp5EjmvkWwZiof+VzaE7I05DxrV4=; b=QsDIsK9f5PFinVSypvUnfmtXaz3kPWnYRiMB+PRzxsxoVwE1/PGQPLzli5akhJljj8 QOVfD3ESRzP4SmFLgRw8ezjrLknuphEkET2wTeMPtNXVFRvcIEp8+hl2krxX0FhUKmfA FRVi5e/1Sd4ss6uRAZ/WTu2/Fdxsq5+uVpAz9kYcpHza4AYNfJ0v5Fv4Qq1jCOLlPy1H nf4XWPgdgkGPokpib4Th3GTGYdM/mIIHrXhq16b9yHFMzXKgGdn6k4irDUbg4quFTiHg KhiWe4DxW1uTVha/j+uVAZq73ruzBvFGvmOtPz78/ybeCNmcmkWr/Nh3pU4xyYgYNctD P1LQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=51+On65LrNSvXr2lp5EjmvkWwZiof+VzaE7I05DxrV4=; b=iYzbEtlwjaDO2egci0qw3e4lWSnVBWYcU8xe7JylUXuDEl7/RPjJ1soq/KkQReBwOC kayDRgbc9fXuiY4ryED5nq0uF/TsLqdwFVXH38dnMJ7sF1N6hFdklbKEMZrd6s0imCyW /zNE5qG65Q7IevRoqHqOsTLXeTiWjv1Mh4BrlHkxw5sGVbKYU1zPKusQmetD13h9r/fg 5iYvW5V3Rt1LoTjtv91IcywrpQivpk9slRZu4SJ5YRuxxcOIzcZFGUy+KE3i8m+ACtva pfMCSZ3f/3UcmAhN+Qr1iPlMq99MWvH+rA9gC+1ICYsAp1X79bcpuBwxULHZKzaadm/v rLvA== X-Gm-Message-State: APjAAAWljqht7oeoa7GizGD+j6hXNBkT/OyU8+TSyXbEHF6l0pBk5vTh dPLV8zEQR5G8ukBGMDIF2Ak= X-Google-Smtp-Source: APXvYqwvBDogXJUfkkciG6MhUnx/OJ8ZeMIFfpBlRE5wKf4uSOTmFfk+/5+dEgtOxTw0423kYep5pg== X-Received: by 2002:a17:90a:384d:: with SMTP id l13mr15518641pjf.86.1564958971827; Sun, 04 Aug 2019 15:49:31 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:49 -0700 Message-Id: <20190804224915.28669-9-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 08/34] media/ivtv: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Andy Walls , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Andy Walls Cc: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org Signed-off-by: John Hubbard --- drivers/media/pci/ivtv/ivtv-udma.c | 14 ++++---------- drivers/media/pci/ivtv/ivtv-yuv.c | 11 +++-------- 2 files changed, 7 insertions(+), 18 deletions(-) diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/iv= tv-udma.c index 5f8883031c9c..7c7f33c2412b 100644 --- a/drivers/media/pci/ivtv/ivtv-udma.c +++ b/drivers/media/pci/ivtv/ivtv-udma.c @@ -92,7 +92,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_= dest_addr, { struct ivtv_dma_page_info user_dma; struct ivtv_user_dma *dma =3D &itv->udma; - int i, err; + int err; =20 IVTV_DEBUG_DMA("ivtv_udma_setup, dst: 0x%08x\n", (unsigned int)ivtv_dest_= addr); =20 @@ -119,8 +119,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivt= v_dest_addr, IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n", err, user_dma.page_count); if (err >=3D 0) { - for (i =3D 0; i < err; i++) - put_page(dma->map[i]); + put_user_pages(dma->map, err); return -EINVAL; } return err; @@ -130,9 +129,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivt= v_dest_addr, =20 /* Fill SG List with new values */ if (ivtv_udma_fill_sg_list(dma, &user_dma, 0) < 0) { - for (i =3D 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count =3D 0; return -ENOMEM; } @@ -153,7 +150,6 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivt= v_dest_addr, void ivtv_udma_unmap(struct ivtv *itv) { struct ivtv_user_dma *dma =3D &itv->udma; - int i; =20 IVTV_DEBUG_INFO("ivtv_unmap_user_dma\n"); =20 @@ -170,9 +166,7 @@ void ivtv_udma_unmap(struct ivtv *itv) ivtv_udma_sync_for_cpu(itv); =20 /* Release User Pages */ - for (i =3D 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count =3D 0; } =20 diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivt= v-yuv.c index cd2fe2d444c0..2c61a11d391d 100644 --- a/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/drivers/media/pci/ivtv/ivtv-yuv.c @@ -30,7 +30,6 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struc= t ivtv_user_dma *dma, struct yuv_playback_info *yi =3D &itv->yuv_info; u8 frame =3D yi->draw_frame; struct yuv_frame_info *f =3D &yi->new_frame_info[frame]; - int i; int y_pages, uv_pages; unsigned long y_buffer_offset, uv_buffer_offset; int y_decode_height, uv_decode_height, y_size; @@ -81,8 +80,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struc= t ivtv_user_dma *dma, uv_pages, uv_dma.page_count); =20 if (uv_pages >=3D 0) { - for (i =3D 0; i < uv_pages; i++) - put_page(dma->map[y_pages + i]); + put_user_pages(&dma->map[y_pages], uv_pages); rc =3D -EFAULT; } else { rc =3D uv_pages; @@ -93,8 +91,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struc= t ivtv_user_dma *dma, y_pages, y_dma.page_count); } if (y_pages >=3D 0) { - for (i =3D 0; i < y_pages; i++) - put_page(dma->map[i]); + put_user_pages(dma->map, y_pages); /* * Inherit the -EFAULT from rc's * initialization, but allow it to be @@ -112,9 +109,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, str= uct ivtv_user_dma *dma, /* Fill & map SG List */ if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y= _dma, 0)) < 0) { IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace= buffers\n"); - for (i =3D 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count =3D 0; return -ENOMEM; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959064; cv=none; d=zoho.com; s=zohoarc; b=gjOq/C3SqyWaF9TXAHuUeoj0osmWBNk4U60LDPHcFgykhQ6l5xUFqiKgeve5m3DDZ9oNOhWmBkj7RuR/1QVa7nMIMBCgnsGWOHCryI9Krc1+X4tKRb9GfH04dExoxsAnCQlvxrsJx6r+pqA8+YaUM1K4JXyr4i20QX6I/eNpjYM= ARC-Message-Signature: i=1; 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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.31 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:32 -0700 (PDT) X-Inumbo-ID: 20a351d4-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5vxuyadJL7U7uLaLdbmi0wM48++CcjfxvCZKqh2vh4A=; b=SmLYPFHmKN1uE643ZHBnB9dNk1rkYQS38le9bhNsjkuijth7hTQM++IPMv3pLW0TEI 7/x46VCEIatXmkV3w2KshE0imX/kUzrth+ucng6DZOKNE0opT13YpOAAUVZVUjGyDlRy PB2Ml2hj6K3sDNS5iK8QIe0u19usMs5R4F7ygDzoCAKAQPcQlfC/e9zMHKVg/PGP6KNH jH8S8rBi9/AhB/tXE8C3wWfrNrkZfmcdnxjHGl0d8mZOAczH5is/McK+cj5KFruHwe2c MlwNgBe4BfI2d4CuM85b0u6u4v6w/IVsnWdV3/DEzbLrJ3+c49m+Mf//mO5waQdOc/o0 4mBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5vxuyadJL7U7uLaLdbmi0wM48++CcjfxvCZKqh2vh4A=; b=gdVWi3f+b5FqNUT8btDt8uQS2kuYmCMqxF95XrLAS/Il8m2hygf62ZF8Rev+xj5Z4D WVYB/Td+j09+UiassybVKeTVSZzYLxhTnjJn+/HdYTy+F54jtUT6aQDMI4aZb3hoL/BA dRmeTJ52nJuxD2KlQ4nGi0apYIblSTQ19mA6QqjYd8Z/eU9yDGc5s9bwsS2zvK9OMuJS kMdvYgZQfVtJunX2jmsEcU0A9GXcmyGm9WSIpRcgnG85aJ/+NqvBoxEzdgpqshEPEMrp bgkAG6Gp0tYcpeLqstmC1WpYw/3GcO1hX/H8mjQb/LyabwMbJ8bQFuImTE6ZJT97cB0P z3XQ== X-Gm-Message-State: APjAAAWxpeXcs102CVeX3BNedeITH/tiiqpI0dzfQrgcDO/IhI8yr+AF DHuJC5094vmG9BxI2Mp7X8o= X-Google-Smtp-Source: APXvYqx8ZWVr6MlzhqOcGh2E3H/RsN7D9i6b3t0CUjOfGBvpDNUsLBn0LfDPCNpJqri3cJedM4xZQw== X-Received: by 2002:a63:1b56:: with SMTP id b22mr16835931pgm.265.1564958973404; Sun, 04 Aug 2019 15:49:33 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:50 -0700 Message-Id: <20190804224915.28669-10-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 09/34] media/v4l2-core/mm: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Hans Verkuil , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Souptick Joarder , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Sakari Ailus , linux-fsdevel@vger.kernel.org, Robin Murphy Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Mauro Carvalho Chehab Cc: Kees Cook Cc: Hans Verkuil Cc: Sakari Ailus Cc: Jan Kara Cc: Robin Murphy Cc: Souptick Joarder Cc: Dan Williams Cc: linux-media@vger.kernel.org Signed-off-by: John Hubbard --- drivers/media/v4l2-core/videobuf-dma-sg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2= -core/videobuf-dma-sg.c index 66a6c6c236a7..d6eeb437ec19 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -349,8 +349,7 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) BUG_ON(dma->sglen); =20 if (dma->pages) { - for (i =3D 0; i < dma->nr_pages; i++) - put_page(dma->pages[i]); + put_user_pages(dma->pages, dma->nr_pages); kfree(dma->pages); dma->pages =3D NULL; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959061; cv=none; d=zoho.com; s=zohoarc; b=YsvTfd24XFzAm2vTdBcV8EQFdKGpaWdJl92dOrj3ULKKr3PrTEx83nk26G7qSwjYpa0ZOEW9sKbtq9Z4udLD5GTv8xTwkXYEm26A4bauNZ00nsZerFYE8Mjj/DLdGf/y/NYSJ3dMa2+u79+qFp1hhvNuzie0G/etzQvzUUgdBAo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959061; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=zbxJwVu/VhTNOVb+q8Kon1O7wFA8zQJPRj1tfqus2M0=; b=IqBK4gZjOG6DVePf6MBcqDdL9NEx1AuVlkhoxeH8ymQyfbhJPjbs4Vw98fE+4cCGPUAqGvsld8VHtWh+BrIDpIGlhfmSWAGbgxK37Ydvo0p7C86b4ME6Jse9kBGVlWaGsyLDkPj0dppmDIoBbuxUz0pRT/5WKg0cjXK1x4UpgiI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959061380407.8016373666693; Sun, 4 Aug 2019 15:51:01 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJq-0003XP-SJ; Sun, 04 Aug 2019 22:49:38 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJo-0003WC-V6 for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:36 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2199d444-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:35 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id m30so38608176pff.8 for ; Sun, 04 Aug 2019 15:49:35 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.33 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:34 -0700 (PDT) X-Inumbo-ID: 2199d444-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wKnEf1dGeTf0vHOLp5WCTJvqak8NT8hcLNnzrVdQpMI=; b=UAVd4mr7vGvTBL1keSKDuwOUviwbBqcp6QKy80u93848ZN8eU6de8F8i32424yePdd zhJ1O4RduGczBUBLeccU6nytEoiOUUwRkUsjuEyue319dSQS2bud/HybqSeEP9UaizKY 00ht31Ehoc2cMo40WzQ9rGK2yX18fybqCo7t+dG1vWpDgDbdQz/Q1YLF3bcEr/VsNC/+ VEsECPXiobaIgfjOirKP1fhQQn2wJJKwgSQoEP5vN1KZqZSBZAcxorwveJr5kCfvgpyC h19lHwiz4dU7jiPcnb0kWz/BIQhyT1yRrfBg3wROHEiu6fO26e4X5u3gRUvcijrb3cqf EWfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wKnEf1dGeTf0vHOLp5WCTJvqak8NT8hcLNnzrVdQpMI=; b=Rwe2SH5TY8Hg1AYcNrN0g7i5R2CwsJOMCISU/pcIFQT3ybWnN3POwLZ7Ql4mt23MaX ikHqtUyLtKGnRqvxt5J1W0LgKYoXump8yrXiRa4NSQcmv2bIHeSwlDYQh90bNu/VWHxM kt1Rij0WRsI3YS9DXJ7apqYOLhHJb3HLVf3yl7kzCzkk/f7BRgqKMXcWmRLk+P4+i5Co nVo9mhyAXHH1PzzFHd/CeoIwlz/xJ9B7t87nQulZ6Q17LUo48aAQPKumyUCqqlcscY/f bNAXUWE94iPo6+1WsLgT/8qGEeZ/s7zkp9hz8jtsbP/nxVVfoKjQBg+Gg7YdOyVh26wO BZIw== X-Gm-Message-State: APjAAAUBK34xkusJci1Bjig6ZyXbwn98LE4ICDGhT7Y2nDqKHrOMV/JB SwtsuTvC697+S1GW97D648k= X-Google-Smtp-Source: APXvYqzq3Lz+VjHUVJbOvV+K9KYqaCKO4VLPyE3SqnlHZP1nl3CDkSu6mPMA16qqbAvOmUhc3KYfTA== X-Received: by 2002:a17:90a:1c1:: with SMTP id 1mr15255619pjd.72.1564958975035; Sun, 04 Aug 2019 15:49:35 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:51 -0700 Message-Id: <20190804224915.28669-11-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 10/34] genwqe: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Arnd Bergmann , "Guilherme G . Piccoli" , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, Frank Haverkamp Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This changes the release code slightly, because each page slot in the page_list[] array is no longer checked for NULL. However, that check was wrong anyway, because the get_user_pages() pattern of usage here never allowed for NULL entries within a range of pinned pages. Acked-by: Greg Kroah-Hartman Cc: Frank Haverkamp Cc: Guilherme G. Piccoli Cc: Arnd Bergmann Cc: Greg Kroah-Hartman Signed-off-by: John Hubbard --- drivers/misc/genwqe/card_utils.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_ut= ils.c index 2e1c4d2905e8..2a888f31d2c5 100644 --- a/drivers/misc/genwqe/card_utils.c +++ b/drivers/misc/genwqe/card_utils.c @@ -517,24 +517,13 @@ int genwqe_free_sync_sgl(struct genwqe_dev *cd, struc= t genwqe_sgl *sgl) /** * genwqe_free_user_pages() - Give pinned pages back * - * Documentation of get_user_pages is in mm/gup.c: - * - * If the page is written to, set_page_dirty (or set_page_dirty_lock, - * as appropriate) must be called after the page is finished with, and - * before put_page is called. + * The pages may have been written to, so we call put_user_pages_dirty_loc= k(), + * rather than put_user_pages(). */ static int genwqe_free_user_pages(struct page **page_list, unsigned int nr_pages, int dirty) { - unsigned int i; - - for (i =3D 0; i < nr_pages; i++) { - if (page_list[i] !=3D NULL) { - if (dirty) - set_page_dirty_lock(page_list[i]); - put_page(page_list[i]); - } - } + put_user_pages_dirty_lock(page_list, nr_pages, dirty); return 0; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959040; cv=none; d=zoho.com; s=zohoarc; b=DOUkWS8mkxWeqJlyhejKc5mPKtyoFxOh2STWJLyNlF458UXealXsSkW04WIRCLR4XgVAq/VGdSonZZdjNZdX91fADr0NPo1EdZDTuFpEqMqaEjeLnBygbaBc9RzmRAycGXbKko3UrNhuiVnFdVUqNE0Ub/IEYHvTxxFbHU8Gcq0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959040; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=+hcuMRflmzM1VNUODiZN5akurl4E1A1rCHX6bjxf5NE=; b=cpFkH9CHXa7VOt29wH7qTSwJDzDVq3F9diXtCkuEGzIC9pY1lVAigx89/8VHjLkOQBqB/5Yo/cbyi8RCnVsezxtWNk3lOtyYHOjGCUFKGsiTxGpOCgZZsnTJ9roBmrYodeQCD7gL8eC3+odjfmUf+UoU+LUiG5npzKOZONRX5Wg= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959040184252.13266202171098; Sun, 4 Aug 2019 15:50:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJr-0003Xj-BV; Sun, 04 Aug 2019 22:49:39 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJq-0003Wu-7m for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:38 +0000 Received: from mail-pg1-x542.google.com (unknown [2607:f8b0:4864:20::542]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 22a15ecd-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:37 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id n190so3535649pgn.0 for ; Sun, 04 Aug 2019 15:49:37 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:36 -0700 (PDT) X-Inumbo-ID: 22a15ecd-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=Vl3ziFlsVP8d5c8y0YmW6fDZsGTWTBWfBuMUsCvUNMfO41hPRu5nz6knOx+9Exr4dm faLIZ6PGv5svewcMn6NrpUtC2sVsC+7jyMTiSPQOkMWSlMNBGkEc5Hzdhl1GLUQ+lU00 s8/u7LPhlwjUp5vP9Cq58ZxyRYaJggFlYisUFFtIS444ycMw8U/APZaIEYWga3Yussps tKIhHu6BLxxDR9A3QUeopRp/JQJFEZSB+ASswX2FluN7nR+bVi9w3B9Wm/JRet3KnCM9 BzOgVm6BdbLPf53jqaXQstPr6PLJxFbgM+ClIPWs4p2Wp5bWVtpTaVjy3ylfOWo6XjbI VLCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=hBRZ2sd3Ye5fxnfWJD8Q8upCv91SGcwg7H/mdyri8KsteD9ZOJHSzb6+zWoXribc2/ 8S2vUKLDg65IZrVffVlB5iIriWagqKP6FccJGZbWn7KBKG1kxYv+BeuZaiSRWXz2yvPh J+04D/zID9n232e2E+tue1yXs+Bs7EceNegSoztfG9w5n84adpsKjvyMJQx7WReWePPw SfjXvWKSDr8PwSxG5Q8Q+UBY5qO/LnFmBnCeK4/PmqgUihxcCdX9OX7yRGJjll8StxZb hINr1b9dDXz/DDpdILInr8Av5SdHWQM8MQ5okFuBVSJa2RzBlFgqlL9+qhYUcyisJZCc wFUw== X-Gm-Message-State: APjAAAUcNM3MtMZnw9DGSCLxflFnYxuKPVOE9lqDa5dpnExWlNtarQCU bdZSAD7n67aW5BMPW98oxzLQxFdd X-Google-Smtp-Source: APXvYqzZzuc1CJxZdFJgWU/FwmUoZ/p878RlqbCeEzJ5+atuTCZn+89D3JrxmbErf1XY9IXgA3NZ2A== X-Received: by 2002:a17:90a:f498:: with SMTP id bx24mr15350312pjb.91.1564958976783; Sun, 04 Aug 2019 15:49:36 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:52 -0700 Message-Id: <20190804224915.28669-12-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 11/34] scif: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , Sudeep Dutt , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, Ashutosh Dixit , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Joerg Roedel , Arnd Bergmann , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Zhen Lei , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Robin Murphy Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Sudeep Dutt Cc: Ashutosh Dixit Cc: Arnd Bergmann Cc: Joerg Roedel Cc: Robin Murphy Cc: Zhen Lei Signed-off-by: John Hubbard --- drivers/misc/mic/scif/scif_rma.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_= rma.c index 01e27682ea30..d84ed9466920 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -113,13 +113,14 @@ static int scif_destroy_pinned_pages(struct scif_pinn= ed_pages *pin) int writeable =3D pin->prot & SCIF_PROT_WRITE; int kernel =3D SCIF_MAP_KERNEL & pin->map_flags; =20 - for (j =3D 0; j < pin->nr_pages; j++) { - if (pin->pages[j] && !kernel) { + if (kernel) { + for (j =3D 0; j < pin->nr_pages; j++) { if (writeable) - SetPageDirty(pin->pages[j]); + set_page_dirty_lock(pin->pages[j]); put_page(pin->pages[j]); } - } + } else + put_user_pages_dirty_lock(pin->pages, pin->nr_pages, writeable); =20 scif_free(pin->pages, pin->nr_pages * sizeof(*pin->pages)); @@ -1385,11 +1386,9 @@ int __scif_pin_pages(void *addr, size_t len, int *ou= t_prot, if (ulimit) __scif_dec_pinned_vm_lock(mm, nr_pages); /* Roll back any pinned pages */ - for (i =3D 0; i < pinned_pages->nr_pages; i++) { - if (pinned_pages->pages[i]) - put_page( - pinned_pages->pages[i]); - } + put_user_pages(pinned_pages->pages, + pinned_pages->nr_pages); + prot &=3D ~SCIF_PROT_WRITE; try_upgrade =3D false; goto retry; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959062; cv=none; d=zoho.com; s=zohoarc; b=U+Qgi92KAl7n4m0yuLMCMGfnCgCp0wPy3ERvc2TQ1C17Y/IGMQn/36QNzYxz304G3l8XCuFxRrM9lLhKis/4pDn4UHgSDzRVIOJE+Jw8bhy7+dAqCeySFC6DlmQ4Zd3itU8+g6GkSuClybeVwuxOksTttYNKcfkek+W4ztBobcA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959062; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=z3tDRKjQ9vR8Yzf2wjlU6hDW7UqGYQ/yydllqvUxR/Y=; b=UXarTD2p5huE7xZI/pdclWWLGlV/yUn0R1J3+FgmOh1EsOJI2GyC49aVT7elRSV7q9bb7obpYXApX4goQ5hbBEzKqiIcc3JQeMekn1cUUdi6qJiQ7s5grg/n6OBETeET3/u0W+hDOA69zd9FAxMSfs9GNIn9481j1sqjKIdww3Q= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959062255542.3394156827203; Sun, 4 Aug 2019 15:51:02 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJs-0003ZP-Os; Sun, 04 Aug 2019 22:49:40 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJr-0003Y8-Nj for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:39 +0000 Received: from mail-pg1-x543.google.com (unknown [2607:f8b0:4864:20::543]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 238c2484-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:38 +0000 (UTC) Received: by mail-pg1-x543.google.com with SMTP id l21so38658173pgm.3 for ; Sun, 04 Aug 2019 15:49:38 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.36 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:37 -0700 (PDT) X-Inumbo-ID: 238c2484-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=j5bjFl/k0oxV1FIP4HazX0NuQurNmMvZSnaBil5PKNk=; b=MqpI7yn2v8JiaESKRamQoMhID5IYen684AVXtcKPVHm7ukeZx5WJLqHqdIEJqV0WrU VfCpQM5hioJATjULHPTYB3nfhDV1hZvNLdoXtUM170GmrlC8kjyYeFhBDtjPQS6eYlGi Z1KZbaNfekNsK96f9fHDqC8EM5JDem4jjQqa0uOUzUD0HnkcyB0RGrqGZafbKz+HSERm ycJb8r/hMPkJxrohrkltdvb3Bv5T3e9OF54rrvF1bh8OIMrv7vUbWFQiw+cjVGvVjkWZ fASWr56xEv6QUfwcZwREb2sSNIm1Ysoe7red/z7MjIlPR6uaG4NZls/tzbyEvLg9FjxD 24hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=j5bjFl/k0oxV1FIP4HazX0NuQurNmMvZSnaBil5PKNk=; b=GtpX18FuylwaaJgBkGeojvatlUIseQ7roCrrvd39qM9+FZ+rHFWSVFzueDlQQv9yei 2OUYH5GC6amWov5oFlbCpfHEx6WADHZBYVAjxPwFiUadHhD0d/youLbUvy6EWBj0iSH+ lUZuI7jaAI6Y/AM4FjoFbAOCgDaba5oBkLSjGRSzH3rZG0E5Uz7JDQx7hK8ZRg4qnqBm zg2NAiLe2oleULhDJd6mkGjh95IGXjLW+rr0BtUacIWITsClH8ibl7kNkV8jn5GzpwAv t/V4i5yCY/oxO/amv8FYLJ8G6I64RjGS09qSrFJ4yz3jqB+AM1eXd9C5FVhweMYHoN9a XJ/w== X-Gm-Message-State: APjAAAVJTYj+qw8ObIyuX7HPjiNcPE7gahAfQdf/uoFTqVTu8rHBm56P cDr9BQKKslQosl+Ztb/3gHo= X-Google-Smtp-Source: APXvYqwTnNt3iCmBWtT8pTi/FFYixGudghLt9/4mGGXij726CsdCF3vK7jbIkfaYxVJp0BLjNqynIA== X-Received: by 2002:a17:90a:b908:: with SMTP id p8mr15231945pjr.94.1564958978299; Sun, 04 Aug 2019 15:49:38 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:53 -0700 Message-Id: <20190804224915.28669-13-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 12/34] vmci: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, "Gustavo A . R . Silva" , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , Arnd Bergmann , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in qp_release_pages(): it now ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christoph Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Arnd Bergmann Cc: Al Viro Cc: Gustavo A. R. Silva Cc: Kees Cook Signed-off-by: John Hubbard --- drivers/misc/vmw_vmci/vmci_context.c | 2 +- drivers/misc/vmw_vmci/vmci_queue_pair.c | 11 ++--------- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/v= mci_context.c index 16695366ec92..9daa52ee63b7 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -587,7 +587,7 @@ void vmci_ctx_unset_notify(struct vmci_ctx *context) =20 if (notify_page) { kunmap(notify_page); - put_page(notify_page); + put_user_page(notify_page); } } =20 diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmc= i/vmci_queue_pair.c index 8531ae781195..e5434551d0ef 100644 --- a/drivers/misc/vmw_vmci/vmci_queue_pair.c +++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c @@ -626,15 +626,8 @@ static void qp_release_queue_mutex(struct vmci_queue *= queue) static void qp_release_pages(struct page **pages, u64 num_pages, bool dirty) { - int i; - - for (i =3D 0; i < num_pages; i++) { - if (dirty) - set_page_dirty(pages[i]); - - put_page(pages[i]); - pages[i] =3D NULL; - } + put_user_pages_dirty_lock(pages, num_pages, dirty); + memset(pages, 0, num_pages * sizeof(struct page *)); } =20 /* --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959039; cv=none; d=zoho.com; s=zohoarc; b=KLNzEyE8qfJTCX9GBVX5XrsjoSg6sjhydVmPaOJRKNuIBxd8egaWjZSI2dWx1JjA6BE+G8OPXQQzEX2dZRtpZJr3n4DfjIXC3vZOD8clCZNetBdca20drYYaD+M2LT2OP+b5xNbJBFoVBrKqMCo9lcoheM80cVGQ2ZmpjThPQjk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959039; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=EXErtMUx1XI2G0ycDcZBqmpUYipVgpVlY/jN/MkoTLc=; b=hbXSdd/GKC5c89wUHJ8jD5OfIeVdMVuQ23aVYJJfHGTSeeTR3BFGC20NsEx3V2E8XpY1nxcn1FukNI2tlWV7zAkDUigN5MWFMTJfR9z5c9s1Zk5EiihkTXgXYlotjgvHHOJu7H+i8I/U137ZLuoL+yu4cf+E36cxEdZ4Unumlms= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959039907272.6863781644886; Sun, 4 Aug 2019 15:50:39 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJv-0003bS-4w; Sun, 04 Aug 2019 22:49:43 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJt-0003Zb-1B for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:41 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 247dc02e-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:40 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id t16so38568474pfe.11 for ; Sun, 04 Aug 2019 15:49:40 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.38 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:39 -0700 (PDT) X-Inumbo-ID: 247dc02e-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=60C6UutqWDg70MnmR2wOYRHcozVv05mGJual4EWfkd0=; b=dlbSsRNX77Ei4qlHR7ScPLtFWbFA/wSFhYs9NQOll92MElLIHH0XM5uWEMJZOCpSZn fw6jxIpOESniygQ2CP+jqWxww/Yc9BpBnk334qu29zs2vzmgy87c6XuHVe23RKpRZPxO jThG9GtjK3Wnrebfh/rbMsq7112krYjWlIxKkWaUHxL2oFoS1RUMIQu8ytggftTKUFm3 IZx5EXAb50Ed18W0N5uy/HOdcsYR51BeefJ+gL6tmEuCp3+fjY6YxhqUW4uaaLKgEtr0 EwxJMkmMabXGRdUgV0PB/zPRqhRIlzaqolidM2g4cvymDIwFa+iZFzPQhAPl2KRAIsyu jBAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=60C6UutqWDg70MnmR2wOYRHcozVv05mGJual4EWfkd0=; b=TQM5jViTm31uNVGLmBOsUiaiPhLNWY47sl2RKyZCu7PH9h8CocEYTaK5tcxHUGpvpL e4w/fs/4XFTBvOdjnlXI2QWdspN2n6hXPL6sDJFyDRT0O3EpsMePSGHdJfZfvd1xHV+e 8bKIoANpSwNXM8SEVGlFfSqL8nBJqALEFn4Cce5okLzH4kKzoF+Fb5yZp8K0t9G9Aq+U p3H+8TK4jT9YgwFDgk6UqqZ61D/GjQ3cWLazrct6Kco1NWzvzZDmRAQ86rh6Gdxn4kZl cmG7Uj39k0oIkViLEmrJbIM3kyEM5ROUOEiU1cwWG8+a1yB3nEFJdQN5egRudr8bcy4I fIMw== X-Gm-Message-State: APjAAAVzwbXAZwhTrYQyOXW7vXTjviAB5ZOCzD71rN8V8qgWZ2m/+6p9 lcUoIgA4gbsc8Qgvn45PTZE= X-Google-Smtp-Source: APXvYqxgxAYQpO8e4Spo4W3ynw/PKZNsgndpQrQdEvTtqBpVU8mbg8ThNNd4XLW1NQVXChaVjFCWhA== X-Received: by 2002:a05:6a00:4c:: with SMTP id i12mr70639006pfk.134.1564958979908; Sun, 04 Aug 2019 15:49:39 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:54 -0700 Message-Id: <20190804224915.28669-14-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 13/34] rapidio: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, Matt Porter , devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Christophe JAILLET , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Tvrtko Ursulin , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Alexandre Bounine , linux-crypto@vger.kernel.org, Ioan Nicu , linux-fsdevel@vger.kernel.org, Logan Gunthorpe , Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Matt Porter Cc: Alexandre Bounine Cc: Al Viro Cc: Logan Gunthorpe Cc: Christophe JAILLET Cc: Ioan Nicu Cc: Kees Cook Cc: Tvrtko Ursulin Signed-off-by: John Hubbard --- drivers/rapidio/devices/rio_mport_cdev.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/dev= ices/rio_mport_cdev.c index 8155f59ece38..0e8ea0e5a89e 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -572,14 +572,12 @@ static void dma_req_free(struct kref *ref) struct mport_dma_req *req =3D container_of(ref, struct mport_dma_req, refcount); struct mport_cdev_priv *priv =3D req->priv; - unsigned int i; =20 dma_unmap_sg(req->dmach->device->dev, req->sgt.sgl, req->sgt.nents, req->dir); sg_free_table(&req->sgt); if (req->page_list) { - for (i =3D 0; i < req->nr_pages; i++) - put_page(req->page_list[i]); + put_user_pages(req->page_list, req->nr_pages); kfree(req->page_list); } =20 @@ -815,7 +813,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, struct mport_dma_req *req; struct mport_dev *md =3D priv->md; struct dma_chan *chan; - int i, ret; + int ret; int nents; =20 if (xfer->length =3D=3D 0) @@ -946,8 +944,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, =20 err_pg: if (!req->page_list) { - for (i =3D 0; i < nr_pages; i++) - put_page(page_list[i]); + put_user_pages(page_list, nr_pages); kfree(page_list); } err_req: --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959061; cv=none; d=zoho.com; s=zohoarc; b=JDT48PPOk5EefI+2r1rD9XJkIG8+/Zc+JUsHGm8lRzdbk6PynFiLIdAenPZh/W748z2hiQqS1EsumJcGzXkQPwZS7zD1rWxWEWgYbyNUY+uBpGWuPArOspOTQAOIv4/ZsXcatyGYVool1yX3nYmPMtGCcvkNrU5JhMENNLnYcHM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959061; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=PcwVeX/hdKhImNbFzSDee9jXJYVFvU+doI/9TQnMSlc=; b=YccpouzL4j5V6xamU0BCQlR9UTUAIvOQWKYjYmtCb4RJvCqUY2AW2Dy0WEtxbthKfBtLeh2K3GyLJleHhHc/8hKPjTsIb+YTj/f/imi1Itw7SWFRKwRQeJL2X7ufTIWkX1KXpWJ4XS9G4iYUjBc5Wyar+JhwrG5YOAqFUc3gxn0= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959061909994.8157588986863; Sun, 4 Aug 2019 15:51:01 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJw-0003ey-JY; Sun, 04 Aug 2019 22:49:44 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJv-0003bZ-8o for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:43 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 257c2864-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:42 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id r26so2707875pgl.10 for ; Sun, 04 Aug 2019 15:49:42 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.39 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:41 -0700 (PDT) X-Inumbo-ID: 257c2864-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6zqhiQUR/t5HSZML/x55nFGZKGW5GK1LULKEmO0k7kA=; b=hu5YrExV2sbaBMNc30Tq7LBcjGDWN6fA4XsdWSIq37Gwal4TYkzXoLBSc1aN7i+AE1 bVIm03I7zSnUPoNc0DrhbAQOAdTqkzN/WZ5+3xyT5kplICRjLk7gnM7AiECUFxJQtYf8 l/vpyueUrdUTa6ElP3ExxKx8ue3ogMcet3zTMrly4eFXGYC31urxAGlYkrOSMCRCSnIc Arzc564JY6ON2HabMEPBcS/dFGMN4ODa4koUgN5YXXQfy4c5GL3kiXmJTl6qra2xMUY4 X0U+ntdMZNCalKgfycF+64XZ+c1uJzhUDj8x9G9dxye9pgPlZzglleDcPGTS1gL3JdjR +zXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6zqhiQUR/t5HSZML/x55nFGZKGW5GK1LULKEmO0k7kA=; b=Kv6JEens9ZjEd5YAQ6haWYsUA0shcBp51hmRChbzc028Vfk6+Ju7ir3ivUpLkSerFN OL78fsIDBF1G9zPWnpXKhqrccQW/wSqoX+DLRwLbzXqQwJDfIJXAZdSY+zmR7tMkRxaw Dh045uji4PdecVjvij7ELwTmK5StXHP7kAr/iYWykJ6DhIqdEcIvjte+q8W39ReXTyck UJEPviXJhtcl4bas6xHu9PvIJm4fLTkEd/E4EWbZ0baA5Y6Vgzrv075m3pyZGjX1Zkpv Av9+DtO3tT1BWXainwTsLJ5P9kOqtK+xsEXZLLFKgOwo2uLhJvcKQW3CLTznJeS0y2Zu XLtA== X-Gm-Message-State: APjAAAVQeA75sgHlh5hd5zz9seo+QuP7wo9glGXrNxce1m+06oI/2Ht4 G4VdUsuZ1texpEjQ5MshkAA= X-Google-Smtp-Source: APXvYqzKlxaRYSDqTrQ5Buu3RAMAQLfm5nyXOzRFCQZdRK9SX2nPkzOnWKnTtQrduQ4tH9q8VfqmlA== X-Received: by 2002:a62:b408:: with SMTP id h8mr68625605pfn.46.1564958981600; Sun, 04 Aug 2019 15:49:41 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:55 -0700 Message-Id: <20190804224915.28669-15-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 14/34] oradax: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Rob Gardner , Jan Kara , kvm@vger.kernel.org, Mauro Carvalho Chehab , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Wei Yongjun , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Jonathan Corbet , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Andy Shevchenko , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Jonathan Helman , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: David S. Miller Cc: Jonathan Helman Cc: Rob Gardner Cc: Andy Shevchenko Cc: Jonathan Corbet Cc: Wei Yongjun Cc: Mauro Carvalho Chehab Cc: sparclinux@vger.kernel.org Signed-off-by: John Hubbard --- drivers/sbus/char/oradax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/sbus/char/oradax.c b/drivers/sbus/char/oradax.c index 8af216287a84..029e619992fc 100644 --- a/drivers/sbus/char/oradax.c +++ b/drivers/sbus/char/oradax.c @@ -412,7 +412,7 @@ static void dax_unlock_pages(struct dax_ctx *ctx, int c= cb_index, int nelem) dax_dbg("freeing page %p", p); if (j =3D=3D OUT) set_page_dirty(p); - put_page(p); + put_user_page(p); ctx->pages[i][j] =3D NULL; } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959041; cv=none; d=zoho.com; s=zohoarc; b=XJ/xVapA6mgN0UxdLZkcYosv1oGe4bg2y8Npoy1WhP7AUbiK1pkOlstZjwx/RyGqKcISGwxc46caqd62QyKF9JZbeWGM4i0FnmUiNNZ7KRz3Q7YxFR/9dmRRG0IAFU1HFMYbb3HBhnpHDwWziH6+lWBl2/xRqllP/WaNrh2zrck= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959041; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=1c9NX3q5BkS4GxFacSB5PS+kMdmKHcfTENtjGOI9+BY=; b=IVQYDRpG/QQELuzJ4pIoaBEGtWH6hVDR27srhK5FXLrn7FCmldJS7+csqpisDcg3Kud6gO8SPmFjvmOAbj1z8s5PUZEgXyG9hTxKcjqWj5X3Q70ZYchpVT1sJUM+BwZTKMkfCjDEo9hiILhLFVk8L6Ae/Hw7KMPWZD4omaFfjjw= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959041916874.8863432799795; Sun, 4 Aug 2019 15:50:41 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJy-0003hf-7o; Sun, 04 Aug 2019 22:49:46 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJw-0003em-JJ for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:44 +0000 Received: from mail-pf1-x443.google.com (unknown [2607:f8b0:4864:20::443]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 26784098-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:43 +0000 (UTC) Received: by mail-pf1-x443.google.com with SMTP id m30so38608299pff.8 for ; Sun, 04 Aug 2019 15:49:43 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.41 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:42 -0700 (PDT) X-Inumbo-ID: 26784098-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=JsaN0a6ImilSblrGqgWWjtVL4aaUVqoBD3LMggUShuU=; b=JnEMIs3nTK87TbKIsk78nYiw0PTY0ejtc4/1iVy6auz4dRHpNyRxFRwH1QA1daWzTN aXj9jYYTXz8+AYgGcMfTPEBfeFGtB4kpRaO8Pk0E6cwtra6dbEcp5zLBIuE/7ypkwlfT SpsJZfWDoouD9Zux+JSra/B270Q5FO6OQn2iMY62H9YA77q4YnCIt/dO49LC8oE1+DV3 b+TloTS62XLmGXLlvmUrAcvGMvg3D8t/Jyb83QK6eNN0dmLM2VXZUouulBv1uv5lB+bU bCC0pVKtYc9eHNJ+luk9voAPhlxcPRRn3LwajJw/0mnVI63KipX9TSVsdQUN1tD1p56o UI1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=JsaN0a6ImilSblrGqgWWjtVL4aaUVqoBD3LMggUShuU=; b=Wn8QTbUWl8N4C+UaeBjdj5BGpPEaW+a5uiznpmJUFfcNpv3nTZMwWuQY7WaLX4EivD xZv/++lJu/v0K5DujrcRTbgbUzVJnOOZ1sGQjgCF0xP0O0t2Uxo2CJSq/+C0bHFOM/XO G6g9PdFR7iVT75AUqwmvFAOC2KSth0mBGM/DUnO7NN29lCC4V0iZ7oqcBCFqNMoDm6Ju KbD4cPtSpI/KKa1lusxyOl6rUek2hJkcq4C6degvtH++QbREC6F1ff7nJJkY9KHOJOgZ TXuqCCOoLUb+pLiPJibsGSKY+1RQ9GKlsQ4hC+WdhJebCxi4Fl3QqwbarrcK8JCDU0ly 6j3Q== X-Gm-Message-State: APjAAAWLtC7PLq1E8LEUAFD8K4xPyqUzeF99jXyzCGUWcGsW7nIDcPzw HA0mqac0l41jmsPTVK8ZLCA= X-Google-Smtp-Source: APXvYqyPw77rNCbZJ7kQ+m4UN8hP7cU/4bhOvRnVoHevKNRjma2a+EIazJKEeGo0aqshVanFUuFV/w== X-Received: by 2002:aa7:8acb:: with SMTP id b11mr67847354pfd.109.1564958983244; Sun, 04 Aug 2019 15:49:43 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:56 -0700 Message-Id: <20190804224915.28669-16-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 15/34] staging/vc04_services: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Suniel Mahesh , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Mihaela Muraru , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Stefan Wahren , John Hubbard , intel-gfx@lists.freedesktop.org, Kishore KP , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Sidong Yang , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Eric Anholt , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Acked-by: Greg Kroah-Hartman Cc: Eric Anholt Cc: Stefan Wahren Cc: Greg Kroah-Hartman Cc: Mihaela Muraru Cc: Suniel Mahesh Cc: Al Viro Cc: Sidong Yang Cc: Kishore KP Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: devel@driverdev.osuosl.org Signed-off-by: John Hubbard Acked-by: Stefan Wahren --- .../vc04_services/interface/vchiq_arm/vchiq_2835_arm.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_a= rm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index 61c69f353cdb..ec92b4c50e95 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -336,10 +336,7 @@ cleanup_pagelistinfo(struct vchiq_pagelist_info *pagel= istinfo) } =20 if (pagelistinfo->pages_need_release) { - unsigned int i; - - for (i =3D 0; i < pagelistinfo->num_pages; i++) - put_page(pagelistinfo->pages[i]); + put_user_pages(pagelistinfo->pages, pagelistinfo->num_pages); } =20 dma_free_coherent(g_dev, pagelistinfo->pagelist_buffer_size, @@ -454,10 +451,7 @@ create_pagelist(char __user *buf, size_t count, unsign= ed short type) __func__, actual_pages, num_pages); =20 /* This is probably due to the process being killed */ - while (actual_pages > 0) { - actual_pages--; - put_page(pages[actual_pages]); - } + put_user_pages(pages, actual_pages); cleanup_pagelistinfo(pagelistinfo); return NULL; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959060; cv=none; d=zoho.com; s=zohoarc; b=D95a+DyMe0ltb/RMaM+HWXGLCAalKeBBEYLDUPm/CUPMreTlhMbYN+5AWvEf9DRNZBCSdXbqzfB0EzTUYf6hr5UKrov5VJaG1l7nprGji7hy/NxWFPEMM1vA2X/V/xgCI/L6kaLZ0BuPK0pRR6VJsT9iUMHfb4mdxujGCCI0AMU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959060; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=VNVf0K/f4HIq79d0M85bkdl7k36p7ALs6QSCs8vhoYw=; b=OZD2dct6RVu5TWnzOajlzqHrN9Ncun5tm8DVWq5cZXvevbHvisrTviFfOzDqwTlyL5dLEfaPd/wZOk+8yd2nzB1/Y6ltGZc1w4qC+WOn4ZGxYhUxZIRY4Vov8273kSemeu3lE7Z6hHDWpqImRRmW+NK2/Yd8bdnAQyjKNv16auY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959060367508.52529036859005; Sun, 4 Aug 2019 15:51:00 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJy-0003ix-TO; Sun, 04 Aug 2019 22:49:46 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPJx-0003gt-VY for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:46 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 275c99d9-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:45 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id g2so38603367pfq.0 for ; Sun, 04 Aug 2019 15:49:45 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.43 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:44 -0700 (PDT) X-Inumbo-ID: 275c99d9-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=kTcRkfjdEL9HxbTfItIV90QFm+wmUvO1k55I5bm4do4=; b=Ep9s674EttVY3vG9GU1V4CO0VAp8GtJx3E70Bw+ivefofNFR36jNbbRP9fe5FIQZE4 umVMqO9egu8yEOZzzqqbwwV1I7DYNsWdtnMpjSDCOFHvVqNv36JvlrRHoOsRwSxTWTVP /zl1MVdDjGI3HP9tmkhM/nHneNlxFDUc/CIkN9kekhNbRfvwnuxQq6VAF9qYXEoT57y3 qK7R3sgIPEBixUJFK2/dzWLhYDFU1YjPdLTEb28hPm7RM/mK7OCKl8gL81RQyvUkO6K/ G7Yqf9jdy89IiWSIhZQ4nu37WAPJIhU0zlRaxZyxotIkxhGrgPKDGLU2Jo37XMi2DkW4 GJ3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=kTcRkfjdEL9HxbTfItIV90QFm+wmUvO1k55I5bm4do4=; b=cL5Uwln3DK5J38vI55ffvJ+wvyhFSJJs7bJZvE+yQc6iz8QS0XYy3McLcCF20aURjo i0BEEzh/ei9MS0M+VnLhCA3jIpNSZo1ybN64Jw0jjTX3+ingHfcbIp2UCSbhxtQzsCRd YZpOkuzG13ae+5uVmM2KEwz8PcsCErQsvPm5VfFROSuZ/QXRs6g20UZghnUpnQ173pfF cEvulY4zgG8foPJTn7rayt2KUZLzZF2VWvqGAd4LxCuYGh7SNF4/Mc4klQ9pg6aq4jHu df2uG97JyRRvAZ1cMAe9dfi9mnp5mS9DV1tYE7mjvSiNBg6pocKvS0ppMnrZp4rCibll 2wSg== X-Gm-Message-State: APjAAAXPbPq9Dv62H4V7Wb1W9E/CTxiXZ7WH2Yc13hDrB839SC6tDrWb 0s/R4NdkcYBvZSFV132g9NA= X-Google-Smtp-Source: APXvYqxK0LrtPmyfw6JWYh2YgP6+bfFhY9MmK0zn3g5ZQLaZJtrpA2Yd1v8gV+8lSuqs4iprBin/bw== X-Received: by 2002:a63:c442:: with SMTP id m2mr4964322pgg.286.1564958984667; Sun, 04 Aug 2019 15:49:44 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:57 -0700 Message-Id: <20190804224915.28669-17-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 16/34] drivers/tee: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Wiklander Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Acked-by: Jens Wiklander Signed-off-by: John Hubbard --- drivers/tee/tee_shm.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 2da026fd12c9..c967d0420b67 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -31,16 +31,13 @@ static void tee_shm_release(struct tee_shm *shm) =20 poolm->ops->free(poolm, shm); } else if (shm->flags & TEE_SHM_REGISTER) { - size_t n; int rc =3D teedev->desc->ops->shm_unregister(shm->ctx, shm); =20 if (rc) dev_err(teedev->dev.parent, "unregister shm %p failed: %d", shm, rc); =20 - for (n =3D 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); - + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } =20 @@ -313,16 +310,13 @@ struct tee_shm *tee_shm_register(struct tee_context *= ctx, unsigned long addr, return shm; err: if (shm) { - size_t n; - if (shm->id >=3D 0) { mutex_lock(&teedev->mutex); idr_remove(&teedev->idr, shm->id); mutex_unlock(&teedev->mutex); } if (shm->pages) { - for (n =3D 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959067; cv=none; d=zoho.com; s=zohoarc; b=ZRAOaAhoPTE4+L9tRS+kZJy4qHmx14+KTrAqq2afHxU7EAvfMtVmqngRAseb0HvAGx/4mO7TxX2tYjFJhU5VXjitaqOUquJGZc+lQidfSIXJl3Db0Ldb/uCp9Qj6CYT8fWqgjn0oowiBlZjTVtYYQBPZr/Ahvl8TtJXhic2Pi3o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959067; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=R28gGbEptqLFPiWVNIDhbRWZmcX2iF6ZEUFAffqjKKg=; b=m2NSmxCWXbBdxKMLaLkN5jOhOIN8l+Aq6wjsAQiBzqpSvz6a5L/9LlzJNaePhVEq2yOTinJBprHD8HFdNN8Y1q304GBUHN/36/j1uqgPTin0tKxqkikhNgx2LADOrKN5EuA63S0qTtKwo7oDx2l19QYAMOAMIz5DxaRlNh3bcN8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959067863708.7126923686594; Sun, 4 Aug 2019 15:51:07 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK1-0003lu-9h; Sun, 04 Aug 2019 22:49:49 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK0-0003ks-9r for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:48 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2860419b-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:46 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id f17so34607285pfn.6 for ; Sun, 04 Aug 2019 15:49:46 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.44 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:45 -0700 (PDT) X-Inumbo-ID: 2860419b-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1X33MY8P1PVcaLkCZcp6PkXiHV9wvPThIXgNE9TFbj4=; b=L35X2QFh0M4JIQvOmPagjixwdLqggClkiY/ITRED3vd5cYmML5rpnhsQYVeJG55L7X lfpM/Rw8+9+KW1xLlbUjjd2pEukAuHL9FPW2brNIFLNAAe+xFNLiBhvXwHgfebwSPh6b PQimMsMZnxgRdBC8pyrRMZ9Xs902qjGDWwSRlQpLzHZkXMK6vYaJ7jNHAlwygvXZxKWD HRNszvS/yLW3PMoeuHrejzjB7JHf9PJVVvjCC1Gi8OYeSyaj8QqsLJjtyVPXxwKbhU1l 56SfAsWTx6H5Myy0JvyaDz6KAPklX1grAzJq4JD5PKOSOMwKa+X4MP3JYOJahIqu806a 4oGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1X33MY8P1PVcaLkCZcp6PkXiHV9wvPThIXgNE9TFbj4=; b=G5/lWsD4EI3VaPbv3an4zrtcQ28cycZtJzBXcRWHLp/Kdu6DYrSr040xgY6xsm792K sgPzXxjluaFmY0H4+aiGXlQYNkcf8tairtZiTTsrw4jdUO61je7EsGG3Hdv+puC5s7iX rE3rVLFatnx+lohSJ8OA/xhQCezFeSYs3UdKDXidXXLlmxkDxLftcY5YpAmXwDmtEkgc G+chG5byvzrw4dV7Kk7rfS2rOCJX6IKlmYooX/plsWQfIwZHEYZXLSkz5J7phULb+wVb REVh4PhQeWRuKdOys39IzCihVGUWkzxh4lhp1+w/SjKooBNBqz/0FvnO8nrfu5R+ELNh gAhQ== X-Gm-Message-State: APjAAAX2yzg9+9wjYPhe7HV09AKy7srWa7UqHykM/MTtDjknr7UuDEGP LlTY+WItVQpQ4QHhwjPFrKE= X-Google-Smtp-Source: APXvYqzQPIYoNRubdZIOtSxTDDzyPgcMaQ5zki3KNapO18w6JwMFrcpCjaVO/4MzoXfe6L31Al4dig== X-Received: by 2002:a65:6859:: with SMTP id q25mr22221333pgt.181.1564958986332; Sun, 04 Aug 2019 15:49:46 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:58 -0700 Message-Id: <20190804224915.28669-18-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 17/34] vfio: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Alex Williamson , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in qp_release_pages(): it now ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christoph Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Alex Williamson Cc: kvm@vger.kernel.org Signed-off-by: John Hubbard --- drivers/vfio/vfio_iommu_type1.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type= 1.c index 054391f30fa8..5a5461a14299 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -320,9 +320,9 @@ static int put_pfn(unsigned long pfn, int prot) { if (!is_invalid_reserved_pfn(pfn)) { struct page *page =3D pfn_to_page(pfn); - if (prot & IOMMU_WRITE) - SetPageDirty(page); - put_page(page); + bool dirty =3D prot & IOMMU_WRITE; + + put_user_pages_dirty_lock(&page, 1, dirty); return 1; } return 0; @@ -356,7 +356,7 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned= long vaddr, */ if (ret > 0 && vma_is_fsdax(vmas[0])) { ret =3D -EOPNOTSUPP; - put_page(page[0]); + put_user_page(page[0]); } } up_read(&mm->mmap_sem); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959040; cv=none; d=zoho.com; s=zohoarc; b=J4O8N0hBFQvdO4HP6DAbajYvGdIZ4ch/L9KSdcCTHOS4rFmzIXNhgjox+ePAtpuPTC/DqXJBIFpzjE+1JrjErKqTeQcaa+2BIiLjRd0ICPi5seS13Gc5KN6a6ilkYNp+pLnd7Ab3xF5kZhttHSFo3ms244y6L4zOTt8mqlchwNk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959040; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=iyh1B86wFEb1Wh2Cf5zvHi/AR+EetxVXodV+ZTH76sM=; b=oTOMrvJABK+E17LKQPunFtu+f82tDjaTLZTPOFVMeFeCuk3OgdHn+9TrV1aECb4Mcpm5m0SqXzVtFB7jl5gfFWMvdkkrwCkwBI5yIyhEg1WVePlQc5mlmOm75+hDNOBbz0BkQUiqXzplq1WO6t9DJnB5ybIonwNJ2d2v3G+heco= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959040616711.6907725618862; Sun, 4 Aug 2019 15:50:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK3-0003pC-Od; Sun, 04 Aug 2019 22:49:51 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK1-0003m8-HP for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:49 +0000 Received: from mail-pg1-x542.google.com (unknown [2607:f8b0:4864:20::542]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 29520b6b-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:48 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id x15so28316350pgg.8 for ; Sun, 04 Aug 2019 15:49:48 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.46 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:47 -0700 (PDT) X-Inumbo-ID: 29520b6b-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Zk7mJfsjIPJK9Qgsn0u5osZJajJrXebF0c1tZrgdgoI=; b=WszdJ6eSiS6l8Z9/5N/vbNe3jNFvMTjmOIbyGI43X/lqn/ujHi2UxXu88CH1bmo3Pr auVxGpa3TkNwR224TaYOB1ePcD+ho6gM00/37bER1kKjl0rL2SnnzYvGvu3vN/SXHfk+ wtblnQHWP5rqAtZxjvFWL+wwPm4ICxkBWE6EXcMAD+BIssgCDDepKV59lPfeJfOzGgFr KW9V0+2vgt3eaIWXLk7U/hy0iBaj5GHPE+ZLhIwPVMA8/7B6uNEiy5Dm26EoCBxtBU9T tUYfOzYB8/UlHywiUxmEUaaGe/mgWuOGErPZVtfj1mQo23l9R0hEud7H5SM/CqJoFOsO zJVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Zk7mJfsjIPJK9Qgsn0u5osZJajJrXebF0c1tZrgdgoI=; b=GFNGmvrQLs+cRzY/GFsBJ30v65yDaQG5HZDHAlQJWYRQx3lLGS5ICZiy7Apn6GmaFU Ov4+PJJmr5p8k3oFHMTGoXOCkrD56AOXLmEUR7BX+io6u4NAN0+Ju9z+jmMCaXR2VAOA 9GYpViI8F4jvzQNexd8Jczr/VgsGjnrEnca33Cr9+XIKWvMtpsLG0S8zBWvR7vbUe7xn wnBgss+VTpRBok5tbtMykR8mfqjdu6r46PqjNtqKpRiGWAsY8uXtqlGaYV/KoBN9iIZ6 xcJSEP0hBYqG+z4eYaiivNjD3VAlBa8rXGtStUjIb47lz0ySCDv04JnEzmm8r9XJn74Y AxAw== X-Gm-Message-State: APjAAAUQzQjEe7tuSBVI+9r/HDIfkVQ/X4CX5dq73pUSdYaTLFFzunCY yyTp96f0sujYlRmMd6d+xR8= X-Google-Smtp-Source: APXvYqzXOrOAw0v6KK/XGb3+LYPhc4s7KW/tJCUCwczRKyA5tVzLB0NIrofddWwwfme3ueTIgYzfbg== X-Received: by 2002:a63:3407:: with SMTP id b7mr22111094pga.143.1564958987901; Sun, 04 Aug 2019 15:49:47 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:59 -0700 Message-Id: <20190804224915.28669-19-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 18/34] fbdev/pvr2fb: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , Bartlomiej Zolnierkiewicz , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Arvind Yadav , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Bhumika Goyal , Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Bartlomiej Zolnierkiewicz Cc: Kees Cook Cc: Al Viro Cc: Bhumika Goyal Cc: Arvind Yadav Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Signed-off-by: John Hubbard --- drivers/video/fbdev/pvr2fb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 7ff4b6b84282..0e4f9aa6444d 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -700,8 +700,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const= char *buf, ret =3D count; =20 out_unmap: - for (i =3D 0; i < nr_pages; i++) - put_page(pages[i]); + put_user_pages(pages, nr_pages); =20 kfree(pages); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959062; cv=none; d=zoho.com; s=zohoarc; b=PDdJhWI5GsG08c/9r6h5s50Y4mIF++U3WXG38zQDhAYeC2wd1HzXDLBPEdEsK8vSrXSRSGA2G31q+E4+MxgMAqrWbv1FxYPeF+ZhmZMWxLm3TIo4YjKUeaXuI4y0946cZI+8ZB1ijweUWv3nNksU+Ph8+1DytYqwZXqRY/7gHfo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959062; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=JiwR0yFqbCZ/0o9MMEgU8yaFpZCgOGZKtFkhJqI3ho4=; b=O/n+GS8k1Xd5TxKFV3RfJwtGRzKpCs7JcPIOh6n2YBdRNjyS49dC0Gv2ZrKgSGMIASpxlycS5/USHDh06ckR/iKks+srbKPQ+eh6GGmKbIv2kmE1Kz1HRTgpbnLvDCKWYGrMlyVoocV+pLkkhvHt1qcSxUE7cesy7iT7lp5GnFM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959062407170.64596164073237; Sun, 4 Aug 2019 15:51:02 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK4-0003q5-9N; Sun, 04 Aug 2019 22:49:52 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK2-0003nv-SM for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:50 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2a3a25f3-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:50 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id q10so38581893pff.9 for ; Sun, 04 Aug 2019 15:49:50 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.48 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:49 -0700 (PDT) X-Inumbo-ID: 2a3a25f3-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=py067aGaFWqYQnWW3CrL2Yk9VWIyNl4WEpwUsrZ7LgI=; b=P8+hbDz6iDdAtFosRygKfZrawOprY/RqOz+jkdBR9/iAK9lQTDaHpPD0YVzeAsadTA 6buCCtQt6FcRN+b9XggnJ5bqnrb15u93xXHo/kWkRIj/AEZJAg96rbyj3hSasGDU5QMN kLomBnFCn//tdm3UAsqLPAHdx4izNhPtZ1DR2n/EeVgTygzhGs4N/AXfq0vWNV5wg6OG nDjWxo9WfIwu4zNuVNFOgCWRwLE7DfTE0h0+OhqrWzWxBngYRK81NL6ifxTbjwc0Tsbz dA0CzQ264QnjubFwn/fuuREzrVo+nBB4mnVLQqsZ8A+pWd/WcxXuqwIjuSU30F6iEjCB X4GA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=py067aGaFWqYQnWW3CrL2Yk9VWIyNl4WEpwUsrZ7LgI=; b=Ys5f9Whm0TP9aFb/OIfT08gOHITVS5vCvat8dPMK6zYO9Ca1o+y2jxcoel7WtL64dC /nHG68bUVg8yDmuBP3Y4H5eoxcNG0MiMM3rqQN2knJD5qwyNHWZsnLGwd1YaKlPU8EQA VrjKAEH3hE1Wzl4xAUHPGMo6Uiq8/ZF62BYIkrbd5FrkG1y+ahxdX4GHzHk+HOYkuw0x Qz6f+KhPN/Wow79ZzjpySodLE37qwHTGvn8q2uKxvhlw5o7WQLi1+BQ98l4bD0s0NC7O IWmkKZ2JntUX5eTKy6pRzomzul6889vwJrGgsYR+jUBX7WF3U5PWxbQOKTQ7XqK+4bDb gQzQ== X-Gm-Message-State: APjAAAV10noSrhIQNRJEAGt/XAXhuRhtbd5KZQBXQJKhjtxz7wF4xdDF x2hdHdfdL51TujbiWsNYumI= X-Google-Smtp-Source: APXvYqyegNlmLCsE27HWcwEQVob39MHAl+cimFnsXUYquTno1Yk7+aU+Agg2DBt67SqnkuavcPllBQ== X-Received: by 2002:a63:29c4:: with SMTP id p187mr82820390pgp.330.1564958989494; Sun, 04 Aug 2019 15:49:49 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:00 -0700 Message-Id: <20190804224915.28669-20-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 19/34] fsl_hypervisor: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, Rob Herring , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This changes the release code slightly, because each page slot in the page_list[] array is no longer checked for NULL. However, that check was wrong anyway, because the get_user_pages() pattern of usage here never allowed for NULL entries within a range of pinned pages. Cc: Al Viro Cc: Kees Cook Cc: Rob Herring Signed-off-by: John Hubbard --- drivers/virt/fsl_hypervisor.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c index 93d5bebf9572..a8f78d572c45 100644 --- a/drivers/virt/fsl_hypervisor.c +++ b/drivers/virt/fsl_hypervisor.c @@ -292,11 +292,8 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __= user *p) virt_to_phys(sg_list), num_pages); =20 exit: - if (pages) { - for (i =3D 0; i < num_pages; i++) - if (pages[i]) - put_page(pages[i]); - } + if (pages) + put_user_pages(pages, num_pages); =20 kfree(sg_list_unaligned); kfree(pages); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959039; cv=none; d=zoho.com; s=zohoarc; b=fdXB63NtB1VkL88MeN6GnDwIa5wLioAj36dBeWvQ5p0LpanJ1av1wYw+brpFzMYUX/g/9E8J9Km+b8x5a2z6W+tKJayBM511gMBvh3faSSCFpqK2SBPAGu+cIAG2EuGcjCk8Uuy5SqEBA/lcBDNXULAZj4+L+OTwauslw+Z49I0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959039; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=Q0GIIVRvos+jfQsTV6xhPlOy4Xot8LcbX4+Y28gKldg=; b=PrB8TUcz6HoBh6E+eObfuQt926+rHatNbfG9VwGaHcz3+kMWXIVSGLUeG+cAHrFtYIEx1Wanmox9AjVJxQxMkaFEWoVVvM6Czf12LTIvXL/Sy53A/EqC3x9prmUn7x3BiJF5BmhzpERSviWkkIeq3Tqh6FOCXBp/5mwu9Xv1Fl8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959039816148.79490919353555; Sun, 4 Aug 2019 15:50:39 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK6-0003tH-2W; Sun, 04 Aug 2019 22:49:54 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK5-0003ri-4R for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:53 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2b2b4f6e-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:51 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id p184so38593780pfp.7 for ; Sun, 04 Aug 2019 15:49:51 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.49 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:50 -0700 (PDT) X-Inumbo-ID: 2b2b4f6e-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=AuJQGBUMCI3UccHUazXwp/b3Q3tZUYyhW4Da3QIy1yc=; b=DGwCGc6XDVUwXaE45gbbQy6fhhO+2zHlJorg8NcW6argb8euBbhs0pQfwz4p3wmYGr nE4Tqc1S5TSCGn3z79bluHB8kOP9URQ6GDk8Ag8nOY+Zwx7t9ZzdbkCdvZMxHFv73WPf yFrTejZLylWrlE9UzmSxnSGub+p3uIuGa+QwFG1rIqaL2jFj/TWeF75UBCckNw/JWLPd Hk2vfaOt8Y8GmAEec78Ag4Fdx8td9DJVeEYJYZvv4nQW4t60cvCAgLcPPzOrCX7IP55D 7nJuSqZwA2LhbQQi1IP2+3jA4kCrhPeh22tmmVy2bqH2f2tTU9mzsW8VQ8AU7oTjorNW HTKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AuJQGBUMCI3UccHUazXwp/b3Q3tZUYyhW4Da3QIy1yc=; b=SMNyxm24N0j86uoZ5nCXVAZrVp+0hEEFxVU/ukTqmsnASUw0DJr7Vf/xTDK7fQTmnw /UK+PMmz68QaZ/kHupRhldC/r2jD7Mk373uk4wPFyOqgPbmUgQ393k+/SvNyeTr7EZQk NynstkEULY0PUj7vAswiyQ8MSvCmC6kvnvWfUw2SxH2M4XlhPl1rO4fifOhE2IOeuYhO k1Ikhqo6U9NpaH6tTizWzZfj61lFrz5kMySkg2QixR8WkC/YkM2yJjLQ4UtsbJxi126r 7xjGjc9CMRPXWKVPB+bKc/xvkevxH8MIJ55pddUPvnv9lvrp+XEHrr/ArqXSdnJDPIhV aB+g== X-Gm-Message-State: APjAAAWwb8I6hiwMHGngvWVZcSRTwNaD7BMWmj7SS6hwywWNx4XrPEUG pud3HKZWG6398MEczAYOcjU= X-Google-Smtp-Source: APXvYqzeg0CaPIMsZN4B1HhyHGpth3yiq29pMJbbq07Rs0YdWkJ20xSQ2I1Fc/jcHmyqwiJczRrqSg== X-Received: by 2002:a63:c006:: with SMTP id h6mr3370638pgg.290.1564958991047; Sun, 04 Aug 2019 15:49:51 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:01 -0700 Message-Id: <20190804224915.28669-21-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 20/34] xen: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Boris Ostrovsky , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, Juergen Gross , linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This also handles pages[i] =3D=3D NULL cases, thanks to an approach that is actually written by Juergen Gross. Signed-off-by: Juergen Gross Signed-off-by: John Hubbard Cc: Boris Ostrovsky Cc: xen-devel@lists.xenproject.org --- Hi Juergen, Say, this is *exactly* what you proposed in your gup.patch, so I've speculatively added your Signed-off-by above, but need your approval before that's final. Let me know please... thanks, John Hubbard drivers/xen/privcmd.c | 32 +++++++++++--------------------- 1 file changed, 11 insertions(+), 21 deletions(-) diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index c6070e70dd73..c7d0763ca8c2 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -582,10 +582,11 @@ static long privcmd_ioctl_mmap_batch( =20 static int lock_pages( struct privcmd_dm_op_buf kbufs[], unsigned int num, - struct page *pages[], unsigned int nr_pages) + struct page *pages[], unsigned int *nr_pages) { - unsigned int i; + unsigned int i, free =3D *nr_pages; =20 + *nr_pages =3D 0; for (i =3D 0; i < num; i++) { unsigned int requested; int pinned; @@ -593,35 +594,22 @@ static int lock_pages( requested =3D DIV_ROUND_UP( offset_in_page(kbufs[i].uptr) + kbufs[i].size, PAGE_SIZE); - if (requested > nr_pages) + if (requested > free) return -ENOSPC; =20 pinned =3D get_user_pages_fast( (unsigned long) kbufs[i].uptr, - requested, FOLL_WRITE, pages); + requested, FOLL_WRITE, pages + *nr_pages); if (pinned < 0) return pinned; =20 - nr_pages -=3D pinned; - pages +=3D pinned; + free -=3D pinned; + *nr_pages +=3D pinned; } =20 return 0; } =20 -static void unlock_pages(struct page *pages[], unsigned int nr_pages) -{ - unsigned int i; - - if (!pages) - return; - - for (i =3D 0; i < nr_pages; i++) { - if (pages[i]) - put_page(pages[i]); - } -} - static long privcmd_ioctl_dm_op(struct file *file, void __user *udata) { struct privcmd_data *data =3D file->private_data; @@ -681,11 +669,12 @@ static long privcmd_ioctl_dm_op(struct file *file, vo= id __user *udata) =20 xbufs =3D kcalloc(kdata.num, sizeof(*xbufs), GFP_KERNEL); if (!xbufs) { + nr_pages =3D 0; rc =3D -ENOMEM; goto out; } =20 - rc =3D lock_pages(kbufs, kdata.num, pages, nr_pages); + rc =3D lock_pages(kbufs, kdata.num, pages, &nr_pages); if (rc) goto out; =20 @@ -699,7 +688,8 @@ static long privcmd_ioctl_dm_op(struct file *file, void= __user *udata) xen_preemptible_hcall_end(); =20 out: - unlock_pages(pages, nr_pages); + if (pages) + put_user_pages(pages, nr_pages); kfree(xbufs); kfree(pages); kfree(kbufs); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959060; cv=none; d=zoho.com; s=zohoarc; b=m53eDFfgBQKwIhEQVBC2V/BKa77ABr8WTBpP59DvuJOwDuMvJi6pPOfS3BMMTcWP5z3dXz36/La2tchb9yVA399LXULQOWwSERwgrS04404J7uAeGhUT5NAJVSLxNXuJgw6Rs9P8Rd6FBfW0J1B3SPd8dU+J5ZZ5+lgQ8GArWi8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959060; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=9c8JxAeWV6FS69giLERyAhTfuYO/ZdRc7lXohfTivUk=; b=LuzMqPzNCkIYR9b4KUANK/nmT9OJDZUcNPb6bSpS/MEuWkl83aA9AOn+jLkbZFnpowi72xO5p7xornKfYvxenssFiv1dPMn5/SDINzThg1ho+GvVqK3Dmpzkoc/uwoJxY4xHAEYZAuXrF7F81ON71QvnVsunutk1mpVZZc2AaGI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959060597604.8824673530139; Sun, 4 Aug 2019 15:51:00 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK6-0003uL-Jk; Sun, 04 Aug 2019 22:49:54 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK5-0003se-J9 for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:53 +0000 Received: from mail-pf1-x441.google.com (unknown [2607:f8b0:4864:20::441]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2bfe0102-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:53 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id f17so34607360pfn.6 for ; Sun, 04 Aug 2019 15:49:53 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.51 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:52 -0700 (PDT) X-Inumbo-ID: 2bfe0102-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6GC3vp7Kgk6wrS2t1aIFSliRmKpmpPmHRVTf1Sq+2hE=; b=dM/IGJPKx3vHMSaH2jjH8cddB9IjzpJgXXKkO7CuRXnxMJrRMmXVqwBAlQ88WzjX5h dPH11zKs16Cup5MqaIdJ1qgQ5dnUSJO3TyirSMdWy1ehRY6u0fAfZaZVJnTvSLI1QoSZ 1OPtp46Njt0JJnUOBtfou4qDlL/RKFcmnKhvrMMghCphBN24qaIVDJrBrmeB7g2Z62x7 9z4wjKe5TgqpPsxN1F6MtFwbERWIIYczU3Vlcoi9Bn6Io4pS8zl9BxvD7OfIkvOk2DHe bKWOTx3ItGlZJtYz9ERx5/QSr4d6lkRb9ThyPESwSqEPXbfdWPFzLZ85HYqnnwwoanPc GvtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6GC3vp7Kgk6wrS2t1aIFSliRmKpmpPmHRVTf1Sq+2hE=; b=s+yGwX/qpIXr1hq70NuQIvHxVYEqQGRQQnssk3GqwtlDlXG+jZCj/kytr04TfdgJzG 08d0kLyH/lwzKbddpvAHKRrhEh5AXnJTfNCDWU3pKgaHiMclRIYt8q9M+HTMjCNqUM+a UQox6AUNIhpdAkGW1WA0H+DK1e0JyM61Jmi/kGJJ5H/jV3SoPtfSk7iWuzr3xPLRHAHA UwuZ51efHjkfz7/dS9ibW2VAjgZgUWGU78/TKPCGfYlOlcy5+DMmmW1D9SdiTvsR64Ai pYpvYX856aeMVixmoDrXQVqLDOmblDTG3tEfQMCAbXqDamgPW+ZWb1v+iqKJEqMr7/1r J92w== X-Gm-Message-State: APjAAAWWCPCG7YyrFt0I0JE8BHpz1t8LCNugDS5yu/GsF0v0oMtW0Rpl csV0ZJFWecn7vwoxsD4OAgA= X-Google-Smtp-Source: APXvYqwq/YfHOhrmZHkD7vjJE2TMWCM5ZcaZGqo7qwngyLyrDMEmQDpJGD3vf7HiLmlT/OfJiu4DXA== X-Received: by 2002:a17:90a:360c:: with SMTP id s12mr15495527pjb.30.1564958992495; Sun, 04 Aug 2019 15:49:52 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:02 -0700 Message-Id: <20190804224915.28669-22-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 21/34] fs/exec.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Alexander Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Signed-off-by: John Hubbard --- fs/exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index f7f6a140856a..ee442151582f 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -227,7 +227,7 @@ static struct page *get_arg_page(struct linux_binprm *b= prm, unsigned long pos, =20 static void put_arg_page(struct page *page) { - put_page(page); + put_user_page(page); } =20 static void free_arg_pages(struct linux_binprm *bprm) --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959040; cv=none; d=zoho.com; s=zohoarc; b=IkMJPzYqFIQwd9ZsbosdwkLYlmcBCoKzCYqW2lhuhWb5u2hdrVEk93LgtNIhKww3P46RYJwFi+aZ6RQQkDDfDqnGbb6+V02Dfn+Rm5Y3a3IDm8ETvwquMUF+CBySS+fDXq/Vdd9o00m7qHJ4tOTSPql053F6Wuhr8Edgjg7tDWY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959040; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=d91WGCtnuIArmg61LiqbJRRT2nd7P+QN71FeJmop9ek=; b=dJqUXIaKtyuG41gVrYyqZVOZO59O/kZYSp/ELklQx6hryP2QuGZTHpvYm8f8QPSFi+tDob1stLP2VLrNLR6XMIpIAgMjFcYvdPvqSXtYU6hwJS3slbCSFNPEBL7QioxGw4c3atTcuyiGeTZVbJgP7at4UJE/LsEeO9hHzL1YsDM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959040335868.6878221183374; Sun, 4 Aug 2019 15:50:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK9-0003yW-6k; Sun, 04 Aug 2019 22:49:57 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK7-0003wK-Qq for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:55 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2cd81960-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:54 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id t14so35655448plr.11 for ; Sun, 04 Aug 2019 15:49:54 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.52 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:53 -0700 (PDT) X-Inumbo-ID: 2cd81960-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3zvxFRr3gjg9t3ZKCwZWoMY3PeLUGF9FofBT0j+JfJs=; b=AoEeK7A3WmgkZN5yC8Z1Jl1RH2bH2yfr/Iui/v9Stf0ZewCCNe6BmkaFiQSbldZriZ wW6aM88ICV9MKKVMW7cufc693tFEoxlowWoPmOWeXRs1MOQDftxRpNdG7ZpLAs0zPCzH tfODbi7MeStQ2PUxDbHxfxCmnrrt0CpHHVErZgkFlHG1WBD9vc/idnDis+fOVKQL9lLN eIKxSh7vqFmdHH8HbCmTpqdNHN/40uH9dLamfPKCEqx0SSFV0Cay/FKPEfRs3UtCWLvV asJlUv7lGILmIRMgD+7Ndejmes/P11ltUT9gXu0ECiydPknotiGsbwT49fTUX3pXXK/J hBPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3zvxFRr3gjg9t3ZKCwZWoMY3PeLUGF9FofBT0j+JfJs=; b=pbV6evhwFSJdmYiAvA3MR0hssPUgQ+YudnF6B/cNF30S1FKmrDb0D174oXy1XD44G0 FQhftnH9wNzGmU5e3yqAVOuiyPVt2SDVVtW7AV0bkJlVALvEBsiz9Kuu90p/+XymP3x2 PwpEFyRPhDBHjIEHuWjLI6/RbDSKrpVjBJf+C2d7qVtpmBRQNUUf6eXVM9fIYcJvVX05 epo/giEc3Hofkskz4xElXds8fpNEqWgyim4iL9JKNWp/6iHgyvxx5yYVOhi+LUCv+nqQ JToWLg1zWdIUVvGj9f6MXZZ9h3swc6CYfDfgDrmiyvXheT3/tLItU5lBB/0i7TlenMKK ukOw== X-Gm-Message-State: APjAAAVOwtx5J3Y3p2AUGQtakZhbB8zoLC4kR2YwHWN5MUrTsvrp7oT/ moow9qX+XPxVW+mNTULNszs= X-Google-Smtp-Source: APXvYqzibwwPUnTUuHH+RVhfMiDAHi4Mt1y6avGQzxyYdtLRtPBxbmwrSqheIPeJWHdiQ7pwZ9ajtA== X-Received: by 2002:a17:902:9688:: with SMTP id n8mr138434091plp.227.1564958993951; Sun, 04 Aug 2019 15:49:53 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:03 -0700 Message-Id: <20190804224915.28669-23-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 22/34] orangefs: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Martin Brandenburg , linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, Mike Marshall , devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Mike Marshall Cc: Martin Brandenburg Cc: devel@lists.orangefs.org Signed-off-by: John Hubbard --- fs/orangefs/orangefs-bufmap.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c index 2bb916d68576..f2f33a16d604 100644 --- a/fs/orangefs/orangefs-bufmap.c +++ b/fs/orangefs/orangefs-bufmap.c @@ -168,10 +168,7 @@ static DEFINE_SPINLOCK(orangefs_bufmap_lock); static void orangefs_bufmap_unmap(struct orangefs_bufmap *bufmap) { - int i; - - for (i =3D 0; i < bufmap->page_count; i++) - put_page(bufmap->page_array[i]); + put_user_pages(bufmap->page_array, bufmap->page_count); } =20 static void @@ -280,7 +277,7 @@ orangefs_bufmap_map(struct orangefs_bufmap *bufmap, =20 for (i =3D 0; i < ret; i++) { SetPageError(bufmap->page_array[i]); - put_page(bufmap->page_array[i]); + put_user_page(bufmap->page_array[i]); } return -ENOMEM; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959041; cv=none; d=zoho.com; s=zohoarc; b=geQGhxTsjkWeI68fsJJl02vXGUth4k4zEjSq3bgxStLM2UGJmSMqb/nDEQaTu7g7VOzp1iGKcdUYXFNaJLSyenvE2CXcptW93zCTkfNCJNcY8Mdnd+v7a3TK7hE222efSuVGbhs8rF5s9Locw5MOmctcyhT3ETjCJseO4CoKdGM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959041; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=k/UF3SNEyRTYbsUR/sQeBAdY22DI+0j/VieFZ6z+S4k=; b=dbCtfsBywP6l63s/j3f1pQ12jYUts/nZsEgpY9kpwsKniwPgbvxIate9FvBGzUASL3lDEkiFKOHYry6x2VA4EHuB/GnqbMLCTZpZevhI63V+TSRQvmmTEU6Cqg8SQWyHQz3lC8+yTRDXzrrCxvavqPl7AgxkgE0d8dYKVXjpjGY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959041847309.3391907721144; Sun, 4 Aug 2019 15:50:41 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKA-00040r-NJ; Sun, 04 Aug 2019 22:49:58 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPK9-0003yB-2z for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:57 +0000 Received: from mail-pl1-x641.google.com (unknown [2607:f8b0:4864:20::641]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2dd09e26-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:56 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id i2so35707623plt.1 for ; Sun, 04 Aug 2019 15:49:56 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.53 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:55 -0700 (PDT) X-Inumbo-ID: 2dd09e26-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lKIFYbXGeRFczJ7GPuSawhtMV9YIx2+MYUTps7oOTAE=; b=TDggbkgRiGIAFGZg+jjgHpzcEiYccMBQ6jptVLtuAINCBCAa7tBLSYJdtzRqQAkVQq tQ08R+kd1zAphQz9pkaaBX/hg9RvlkTaePPnO2E1bu2f/76JhzKynqi5fDXQgm3u+sje C80KY3nOvFeOz/PfxhVfGvol35idNxGJp30wpqdrZCtYSNKWJHD3OZzPkmpz9TZ2iydK zGtAdXJa7uyuK2GhTVtmCk46eJaIXB31IST9V3s1VEcpQHy9Y1uuVubQ/wNf6EoCYZeE iY7ztWwDS8B1eHyY4QnXS4dvWcICmGOtU1XZ3uVoXugfKVLMqqSM2fvbIrY7TrJ6h/xd OTrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lKIFYbXGeRFczJ7GPuSawhtMV9YIx2+MYUTps7oOTAE=; b=FMuuX9lPALb0vL15X8p4sZO24pqk1zFWxY/tWq3VEH/pG69vzj8oxfMdEghfVDuLZN uvVIECX1Kt/dCG/CihuzzwQ+StwzX7lff6H8llJFj5lFAL4oqvZjAvA5RBeasSq59zK6 dJ2u3HaoK+tlfsnQg5iKvzkSkuCWy/HHy59zClWk7iLrnM0xhiIWpC1gUwJurqTEkDal SIpINSji6etin9IF4cCKRKW1GJ/fqg1nSGQq/qtRj98jYFdlbkFDCGUf8lgi/gVx2Nyy rIYs0wCDqnq3BVxFyFR8SEJThlV9RwRrsRfSx9cq9XWRg4A4ku/5O7PF+GgKsjgSQf7B 7mkA== X-Gm-Message-State: APjAAAVQWfKQSoOfWwtkgHv8WLF1V+dTFWWEEEf8O2kvDn+02OEtPL1i CaC+qGGPxzFYSKG+s9gyBFE= X-Google-Smtp-Source: APXvYqxpyFBswVwCpmbWWUYW5zokWhx2pCk/sdTQw8977867DfmKTOqoiHBx6Glc/HUCem3kZHec6Q== X-Received: by 2002:a17:902:8689:: with SMTP id g9mr131877551plo.252.1564958995585; Sun, 04 Aug 2019 15:49:55 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:04 -0700 Message-Id: <20190804224915.28669-24-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 23/34] uprobes: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Jiri Olsa , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, Arnaldo Carvalho de Melo , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Namhyung Kim , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Alexander Shishkin , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: John Hubbard --- kernel/events/uprobes.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 84fa00497c49..4a575de8cec8 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -397,7 +397,7 @@ __update_ref_ctr(struct mm_struct *mm, unsigned long va= ddr, short d) ret =3D 0; out: kunmap_atomic(kaddr); - put_page(page); + put_user_page(page); return ret; } =20 @@ -504,7 +504,7 @@ int uprobe_write_opcode(struct arch_uprobe *auprobe, st= ruct mm_struct *mm, ret =3D __replace_page(vma, vaddr, old_page, new_page); put_page(new_page); put_old: - put_page(old_page); + put_user_page(old_page); =20 if (unlikely(ret =3D=3D -EAGAIN)) goto retry; @@ -1981,7 +1981,7 @@ static int is_trap_at_addr(struct mm_struct *mm, unsi= gned long vaddr) return result; =20 copy_from_page(page, vaddr, &opcode, UPROBE_SWBP_INSN_SIZE); - put_page(page); + put_user_page(page); out: /* This needs to return true for any variant of the trap insn */ return is_trap_insn(&opcode); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959045; cv=none; d=zoho.com; s=zohoarc; b=O3XF/4ctFdxTjSeLFrmYSlGOgkinqF2TWboas5RVtLghXlISTmq2GMoyvuGUGqZf0zccrSeH05HCxVAI4HaxC6ZG+UMcNxnRIi4S+pMEMU1I8EzrUbxpZkbmY/RW4BqYUKCS/FqQCZR3+CHtqoFOnCavY1AU0DaZDIZ7A9GFAWk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959045; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=92VmsOlv6/yf5T4aKZJ5rL30sBQRfQt+8g2ETSx4Be8=; b=frJOmd/DGMCOvhgo1XIpJRTvT/vdL23abicxYhqRkI01tm9a2IIBY04JSFjUXjyhwc1yup6e1kxJG2TC8Z5EiiF6nXT+1bXOv9gNaco+SucmrkuKceC+TiNfD4m6kPfbYuWeUGCPB4k6hYryJI/5J2KEohGxZGLD1mg/OMvNh6I= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 156495904554381.1805221300524; Sun, 4 Aug 2019 15:50:45 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKD-000450-43; Sun, 04 Aug 2019 22:50:01 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKB-00041q-Bn for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:49:59 +0000 Received: from mail-pf1-x441.google.com (unknown [2607:f8b0:4864:20::441]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2ee0ae68-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:57 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id c3so15459567pfa.13 for ; Sun, 04 Aug 2019 15:49:57 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.55 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:56 -0700 (PDT) X-Inumbo-ID: 2ee0ae68-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rRiJNzkH0bRoPJKYXoQcsROADD9YH4USeXVLEsmAa1E=; b=AV7uFQE9YUuDd+D7n/raE3+Vd4+M3WfHMpSGBy7Po/eVbcIBoj8uNAj9DUgT5bKiPy NOFpz/m3dZOdwDIxZQeVlxsCTnZ92dZxKMNJ/rR2X1bMUek0j8TGq+u0eAdIPX6nv7Xg 3xla0EEXNbB0lWncn+d/ABroqlg3T2U7E2b5B9Xg8cDDZKP8nXSMimiXqXtFe+tBDXhV ARezJERjiP3GeR4zOW6+cUq9Pz5Hkpr43jELcaC0lfmmiiWVj3OueADfK4ODHerMWl3x WKZ0WyFn5raZ50oDfnPOKa2jV6SJBQSgxKSa9LR9P0FGYWA2KC5auYEx1XvMz/0dUJhq D/Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rRiJNzkH0bRoPJKYXoQcsROADD9YH4USeXVLEsmAa1E=; b=m7Ijn8NqKuCPQ4lxKvz9uCSZb+tfgN+Jnu/N6fwf2CVpTdYHYrPHYxlRFCS6CORWs1 yBQVvsxpd2RCZd65JVH4RordwmoouQyNYz82h4uxo8c2nmnuXCPsJNoZRVejbcjfp6Yl LeaRj6Xc5fX9SdAfxmLUJ6j6B/WKUB7vmqfNzNy0s/KMplzlYnHr94m/ZlalXCmjDonF woXdl/eNlnzaXbWMMClXHxK/CRA8eXX6LSaeOmY29wy8uAmy1zL2dqN0MqO4a18cnDB6 MKQiqHB31jOtZUJC4TlVb8umZMdFDJKj3z26bCcCSLSro3sxdoP+sF9WkSR2f5uYMF0N TdSA== X-Gm-Message-State: APjAAAXiIWOgID5k73eS4NFe6odYoQe3ruBzSMIsX273ZXzbDqEhIrRS GBj2dSH/i7wdXW9fR96fG8s= X-Google-Smtp-Source: APXvYqxM1jqqH644LscYZh1fOmR6SQroZ5U0oF421RZK6m1nNZ1H1tDwWIOHK+9da6OAru/hIya3FA== X-Received: by 2002:a63:61cf:: with SMTP id v198mr17505607pgb.217.1564958997274; Sun, 04 Aug 2019 15:49:57 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:05 -0700 Message-Id: <20190804224915.28669-25-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 24/34] futex: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Darren Hart , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Darren Hart Signed-off-by: John Hubbard --- kernel/futex.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/futex.c b/kernel/futex.c index 6d50728ef2e7..4b4cae58ec57 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -623,7 +623,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a lock_page(page); shmem_swizzled =3D PageSwapCache(page) || page->mapping; unlock_page(page); - put_page(page); + put_user_page(page); =20 if (shmem_swizzled) goto again; @@ -675,7 +675,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a =20 if (READ_ONCE(page->mapping) !=3D mapping) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -683,7 +683,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a inode =3D READ_ONCE(mapping->host); if (!inode) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -702,7 +702,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a */ if (!atomic_inc_not_zero(&inode->i_count)) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -723,7 +723,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a } =20 out: - put_page(page); + put_user_page(page); return err; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959046; cv=none; d=zoho.com; s=zohoarc; b=bfP2nOhTacJCCX1divvxKXppoc78qn1iugcN/VyBjZyDYLFm0c05lds4E3dni4iG3VTGg0xI6gs0RSOEcRQipEeD1BmeU2tttENYgRHw4HcG1qfyFz90DLWBeTWwUzST8legqWDxp2spEUxklA48XnbMt4oYWWxZ5zs0xdzinxs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959046; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=BAyQgUg0n94C3zOBX2stytKt0h13oyUKc/uYOA05z2c=; b=iXvmxIm6DZOdPAKBNYeCTdf0I5zbCFOyuL3DdobyKO1h+c2eACaTuHvhHyuPVd2J7lNY/vyp3hqD9XTw/8puMviBBDzCOUCjMVGFnrPBSJ7KWphspkjR+ehxrUBR1ba2+4mAQJFgU5TEi5DeSm0OJiiE5N9A3wz+FXkr+E4vjD4= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959046567172.249803224022; Sun, 4 Aug 2019 15:50:46 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKF-0004EW-0O; Sun, 04 Aug 2019 22:50:03 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKC-000440-J6 for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:00 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2fd88cf1-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:49:59 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id f17so34607423pfn.6 for ; Sun, 04 Aug 2019 15:49:59 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.57 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:58 -0700 (PDT) X-Inumbo-ID: 2fd88cf1-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XDFswRI13oGzit66yuxshlgOj+nOKd4gwJhAdxr7MGM=; b=rRmTjwmKQyZXs+w2fc61p+6blqitgFt44VDlq2hBJa3msEqsCjE3iMA0N59ImENjx1 pWxFmzHovpTywgJof2duXF6btSgoIVe+p+WICBao5KO8pBkE9NcaTV9gfxHpi58Jd393 DFKgJ0xyVx8/IYN8IUERTh2Rxf2HWoXWnWj+XPN7lRyL0wmkPmCXMh8pOjTaDWP9OB/k giTYlSTz/ZRaJt6cAxVDISU3w6TbcicUIO0JMUvDlHhqw/CPHipUdbC11SYdC5WWsNXd vc/vSbii+ZbRuDVkTzr0tcFTEidEPQ4hRCQUhyIepPPKxZC6v01QDasnaLKNedkEXXRF M2wA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XDFswRI13oGzit66yuxshlgOj+nOKd4gwJhAdxr7MGM=; b=OIAndArdmefndwbjBRz28ajIb6cGADXpYfrUtxqYrGj8/aKvlS/QTKcI3FL5GACRgh XPw5n8e3SOOSbyyTtQM1Dd9XSbr8ttj64kDDL2YSdavVkSwC2ou5GSSma3f3sJ1KpYvg Ju7ITzp/Q6UujpeezWUpNjqVg1ZXRXYItw49e7m9k0W0DLzbLV2eX/sICA1b0DkmHRry zBYV2kfQBb5hhUsnHAQ81cYR4r1mFirXrGEbt9NPTN179i/IKhy2U4teKC2Xn282YwOh obTd7y1fUZt7ozIoUNTpFw6JKQUaGdIF1uBUU9zhoICCezgr9s5keUkeKesvBI/UEeg5 wppw== X-Gm-Message-State: APjAAAWp0mXqO6hJZfpKRQe7S0QfqtP4fmkzsEMcQRkvL8j/K0mZq4t0 TmlxIq+8h2toJn3kRrujeMI= X-Google-Smtp-Source: APXvYqwlrqrBPfbU3uzw56VyHFJ2u/Wv2Z0KkmEAsOsnKmMeY4aJMueEUB/6oS1u2+NCnzOVxWkmSA== X-Received: by 2002:a63:4a51:: with SMTP id j17mr133593330pgl.284.1564958998921; Sun, 04 Aug 2019 15:49:58 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:06 -0700 Message-Id: <20190804224915.28669-26-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 25/34] mm/frame_vector.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Mel Gorman , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Vlastimil Babka , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Dan Williams Cc: Jan Kara Cc: Mel Gorman Cc: Vlastimil Babka Signed-off-by: John Hubbard --- mm/frame_vector.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/frame_vector.c b/mm/frame_vector.c index c64dca6e27c2..f590badac776 100644 --- a/mm/frame_vector.c +++ b/mm/frame_vector.c @@ -120,7 +120,6 @@ EXPORT_SYMBOL(get_vaddr_frames); */ void put_vaddr_frames(struct frame_vector *vec) { - int i; struct page **pages; =20 if (!vec->got_ref) @@ -133,8 +132,7 @@ void put_vaddr_frames(struct frame_vector *vec) */ if (WARN_ON(IS_ERR(pages))) goto out; - for (i =3D 0; i < vec->nr_frames; i++) - put_page(pages[i]); + put_user_pages(pages, vec->nr_frames); vec->got_ref =3D false; out: vec->nr_frames =3D 0; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959046; cv=none; d=zoho.com; s=zohoarc; b=R7r7yRGwwnQlBW4KEknyMeaKT/TsrNRsXO5mRN164FgNuoGk6tstQB3JO06W39DgsdKufTJV87M3noo+Cko8bhDDzhix3aelKOs3BaAR1vcDrsEVVd4xXIWC2LsuizhNOHlPiBd6s1mDUz+++nZDui7Za9bIhn5t9JMNck9c/Ac= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959046; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=PztTmVBhnMYviXj/6qgclXmX2i6lpp/4KF4WpQjzJ/A=; b=Yy6NzFmklU+8lNEsY0WNjj0ZY6kLCY0itwKeVV85kPpqOkr/YhtiptvUH/QtmU06OM8zqp+LFjurOpE6PEoYjl0YE8in0WNcfZMS4DH+eSKy7TA3Ue0a3PtPRWWqwh0rzLUqLwnqvWgBLFGf5PTb14lCn+kjtDuFuUYE6F6bJEw= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959046564976.1968789097901; Sun, 4 Aug 2019 15:50:46 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKF-0004HJ-K6; Sun, 04 Aug 2019 22:50:03 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKD-00046k-Rs for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:01 +0000 Received: from mail-pl1-x644.google.com (unknown [2607:f8b0:4864:20::644]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 30e12c6e-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:01 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id k8so35702112plt.3 for ; Sun, 04 Aug 2019 15:50:01 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. 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Tsirkin" , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, Keith Busch , linux-mm@kvack.org, sparclinux@vger.kernel.org, Dan Carpenter , Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, YueHaibing , amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, "Kirill A . Shutemov" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Reviewed-by: Keith Busch Cc: Dan Carpenter Cc: Greg Kroah-Hartman Cc: Keith Busch Cc: Kirill A. Shutemov Cc: Michael S. Tsirkin Cc: YueHaibing Signed-off-by: John Hubbard --- mm/gup_benchmark.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c index 7dd602d7f8db..515ac8eeb6ee 100644 --- a/mm/gup_benchmark.c +++ b/mm/gup_benchmark.c @@ -79,7 +79,7 @@ static int __gup_benchmark_ioctl(unsigned int cmd, for (i =3D 0; i < nr_pages; i++) { if (!pages[i]) break; - put_page(pages[i]); + put_user_page(pages[i]); } end_time =3D ktime_get(); gup->put_delta_usec =3D ktime_us_delta(end_time, start_time); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959051; cv=none; d=zoho.com; s=zohoarc; b=ErjZ6jkbPcZkgzLL4b48b7RCvT2KbjKNF8hIXXcHk8Oh1M14qGhkfkc8IrlyYxNrPkTyVrVuyc8ZTGOW/HvTx931yymIC9aSFUREqbNaT9TkJBOGoh77cMUrM4vJvAmeprbvEYbHt0MwUXfZgKeWjaZIOHhicAmvdNy/yoiZiyY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959051; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=Q2FDd49WE8UHipWG5ZiFDV/S+DOymblbpVZjgY7G3Y4=; b=DcYuiq2NuuCr1eFGsu4Y/4piOR8QuUB2o14fMMqjL672gyliqR3oEIxY9jyJBtxQyHaXsi2F/O0V6WFWVqd+EW/mhHgszHkQF6Q4qDMTra4YETWOX4Vnzb+tSHtM9ZPSRg1g8yRDoZCqZX9caZz6tfI7GqWbofrMK1UfuF7dTmY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959051633920.2377685145842; Sun, 4 Aug 2019 15:50:51 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKI-0004Uh-1Z; Sun, 04 Aug 2019 22:50:06 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKG-0004Jn-4y for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:04 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 31e7cbfd-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:02 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id r1so38588655pfq.12 for ; Sun, 04 Aug 2019 15:50:02 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.00 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:01 -0700 (PDT) X-Inumbo-ID: 31e7cbfd-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=GAYBkmVoEF3i3+udFKn42Z4HyLG0jAAiACtL32v96bk=; b=AhiTy6BwwPX512pCtOjXzDhtmzbgOoiJS/+TVyOQOpgZBJJ3KH2MvMlT06wgQ0OyIE yRj5vh0m/7nueGoCFtjCaur9BEfURX9GzhTYKWy0B3aTXsLWtG8nWNwdvuLJmmVnPrhP 95nQuVNILOT8/qwgmNMhZUxktGIeWYoKF4s7BnIeiizbkSEamO5uEElN38AxJ2A5eBFh hUZ0Kt1okRjv7luJmtlo0FzBe+9ghVWNnXfTbLZh+WnsUeeUMycJgCWu3dSBNK1w3TM4 /0kY40aJkh8f8jXxTbX8I9Uw2iPPUnqs4M2MJ05zm7QPLg8alWzs50lrMgIbZfArqyLV LbSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=GAYBkmVoEF3i3+udFKn42Z4HyLG0jAAiACtL32v96bk=; b=DVEGrTxkv/IlTHAy0w9KjGzvR9ksYKlzKEq6pO0gxg1jvrY93ASo/Lezvim0JnF0DV Di2CFXdf5tkONC9zD/MglFAROzRBEYhSCiRdjhy+7olwahBxFEdL3SM+tr/RUCrnI+en Jy08OlLmrvzac9ezOy1NLFaNKkfILeLAXtismCZStvpZowWfvcDL1clOVPJw9/TntmKs bKsW2UvU6RwD0Sca+wfUu5R6c1XK/viyjTk3sa5kVZz2JOPoS4E40cbPE6WuRn8z2vC3 5IiuqNraVjX3LNclOxQ+nUlb4iAYsJ1WrlPvvXfzveInSTg8PU1LAvgKLQpRTDn1Yy8z h4tg== X-Gm-Message-State: APjAAAX/E1FXzYMpWQsrgn0fRDLKH/TOPOuqpGm2Wy7dDraUY32a67KH r2JVDNUbDJC81Mc1MORed5k= X-Google-Smtp-Source: APXvYqxnFD3/8kVar2adJXY1j7ibwpw3u4EZRA3KMnmY1X8dVMpcbjzWPVU1wzddWPe9+8PMCheF4A== X-Received: by 2002:a63:8dc9:: with SMTP id z192mr78564615pgd.151.1564959002300; Sun, 04 Aug 2019 15:50:02 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:08 -0700 Message-Id: <20190804224915.28669-28-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 27/34] mm/memory.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Michal Hocko , Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Matthew Wilcox , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, "Aneesh Kumar K . V" , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Huang Ying , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Rik van Riel , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Will Deacon , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Souptick Joarder , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Aneesh Kumar K.V Cc: Huang Ying Cc: J=C3=A9r=C3=B4me Glisse Cc: Matthew Wilcox Cc: Michal Hocko Cc: Peter Zijlstra Cc: Rik van Riel Cc: Souptick Joarder Cc: Will Deacon Signed-off-by: John Hubbard --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index e2bb51b6242e..8870968496ea 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4337,7 +4337,7 @@ int __access_remote_vm(struct task_struct *tsk, struc= t mm_struct *mm, buf, maddr + offset, bytes); } kunmap(page); - put_page(page); + put_user_page(page); } len -=3D bytes; buf +=3D bytes; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959053; cv=none; d=zoho.com; s=zohoarc; b=fUbHhTjR9pgGXNU4VhAmkxgmBvbGP1UqecZjw5fCMRlgjJNk2bd7alug9Ou/HdhwMASqs+TcVTRikEBhSajkhELkWR4DaW7cKuOftEExQlceJo73nKOcblFBB7yiG6T40e7ccibw8bJHPzmbUkrrcZ+0fCmG7GzWLWrgDoR7nJo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959053; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=gxg5E31SnMRO01Ad/sc5W9Fvk97CkuD1iGTlKTiTaGI=; b=hxO7XdvREV3SoMdwZKyepIOF2tjKK3A2N/Vqte3WOzgKSrm/iAnn9RDnzp/TC/pa3E/QSqQfL3TqTJJbbOsQOdc6oY0/PVv8A+LWXLQd+7nqtAoSTHEB/WhmchE7gbW4Is6c78nk1IK4Ng+H5zTXe8Z3unpZWcmNMGVymjYhz3I= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959053971905.726462543686; Sun, 4 Aug 2019 15:50:53 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKI-0004Xc-LN; Sun, 04 Aug 2019 22:50:06 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKH-0004Om-DA for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:05 +0000 Received: from mail-pl1-x644.google.com (unknown [2607:f8b0:4864:20::644]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 32c5f89b-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:04 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id w24so35682541plp.2 for ; Sun, 04 Aug 2019 15:50:04 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.02 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:03 -0700 (PDT) X-Inumbo-ID: 32c5f89b-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Puv5caB6Xd1AJbwd7nGzyFKNouoVWAfL+vJwz/b+4QQ=; b=n2GzADBCRaGfCHf6HbXgRg+V0C89X4GtWNxkv2j3+LQsrqKpmTUVe0ByTHKQwdeBJn 2GjNEQhUsYm7dhY4Od2Sd6r20534hykhUqRe4t1VnKwQ4DMvNZ5YhS01Fzzgrjh0SFnz cOALy97h5W1lbkzKyPwHr+vFBFBbcXlcy5zpFAQBNWN4n0Cj0kftmPhY24PBwGy3tLN5 iaVwvJuxvheoQgKbgYArnZAnGqCyndt7VZwBKzGO0BC6OrGMqarpUlPnyV+UVYDmCU/k M/mEk0A479arzsza58VY7eIxZdZ0ZSau4HrT6ltuIf1VzdnlaHlbMs8Cfp7zJmoWUVEJ eBOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Puv5caB6Xd1AJbwd7nGzyFKNouoVWAfL+vJwz/b+4QQ=; b=XTg/wv5H6M4cb4wvrLnoNeR9YC4/t6jxQozbt+TaAnKlXz9XYlLJjJKHbcJu1d7c3R 7TPpVjnXuSQP30eclo8aQAajqbKf4hpQaCuVSdOihtxmKMnWqPZxdoi2fynl7//DiLCe NCs1qSoC6a+I/nu5xkf18+OqRCqPRxWkE0BQtTcVgdTgvtuP81pgJDSTi7pZY09TPlsj flzlC64OhBNygJBWjU3EGTPTW1SxxhY58OLcLypkm81cvlbcoRPUbJoPbKIOtcSKBz52 jZCqFCRvWbSmVddi70lQCT4v70DZ52RmmHi6F1vS0gmwOppPr7BCieQelXeaV56tYuEC O5Sw== X-Gm-Message-State: APjAAAV+EITMDcuEuYWqO0Lmtmu86MyTMAcHJOdYNjLtkmt1JCuzae6W rg5NtqLhQToctdYOd/n/1Vo= X-Google-Smtp-Source: APXvYqwABL/owZcbuKs02BqFh/fswcnIOGTkP8u9lrE9SbNiB96M9TYbiEw8R+LSl6DRBzA56M1pUA== X-Received: by 2002:a17:902:bb81:: with SMTP id m1mr58194086pls.125.1564959003903; Sun, 04 Aug 2019 15:50:03 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:09 -0700 Message-Id: <20190804224915.28669-29-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 28/34] mm/madvise.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Matthew Wilcox , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Daniel Black , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mike Kravetz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Dan Williams Cc: Daniel Black Cc: Jan Kara Cc: J=C3=A9r=C3=B4me Glisse Cc: Matthew Wilcox Cc: Mike Kravetz Signed-off-by: John Hubbard --- mm/madvise.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/madvise.c b/mm/madvise.c index 968df3aa069f..1c6881a761a5 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -672,7 +672,7 @@ static int madvise_inject_error(int behavior, * routine is responsible for pinning the page to prevent it * from being released back to the page allocator. */ - put_page(page); + put_user_page(page); ret =3D memory_failure(pfn, 0); if (ret) return ret; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959059; cv=none; d=zoho.com; s=zohoarc; b=jw0Zg7KnCInxI4uyuQLvhnrU1xEYBNipJFCO8W/Symhg8YpPD4RT0K44IFvKJuct8PhquqkQuqgc1BUQ8wB/egq1GZH4k4Eer5RUjw40S4xaBzzKX+mNdAmjHbG4NhAc4iRJ8baa1tCxTMSOAJ9q8YQSU28m0yfm00ovicR/o6c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959059; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=fEPTZ4dRzGAKeFY6GdHWLr6xp+c8EoSqfFWIC6Lz75w=; b=lxAvOFqITepJl8inZ+WQPRWIerHJa4Jvf6ANpQPSHCLq+heFIQDS4FdWcCeXup60S/krDPoNOVLceCcqy9DFGcJNC+13Tjqw1G4isjfFS/QSsYLgXf9aO+6kF3OqEy9AqgOcwL1T++scNTne8vpuEUK7/aZxCiz+IKRBusXQPpY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959059449823.6676737115956; Sun, 4 Aug 2019 15:50:59 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKL-0004oa-Bl; Sun, 04 Aug 2019 22:50:09 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKJ-0004c9-MG for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:07 +0000 Received: from mail-pl1-x643.google.com (unknown [2607:f8b0:4864:20::643]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 33c43d26-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:06 +0000 (UTC) Received: by mail-pl1-x643.google.com with SMTP id k8so35702164plt.3 for ; Sun, 04 Aug 2019 15:50:06 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.03 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:05 -0700 (PDT) X-Inumbo-ID: 33c43d26-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=P44t64b1Yt2CczJo6SOAPYnnEfAXhRMhGjbg0YSdFKY=; b=M2L6YAdxRG9wjsRrCe6Hi1BWSuOg3nnT/7fZiBi9EPm8FKwRKPZG/qe2iVkh5HnVN4 aOY3UbjkBBnyU76TUmUntE+kZe6hTFiJw358fIRHno09JT1X6eXkCbDzppqL0p2wk4as lvnBxcaafGoFzaHDQmz1tjx1PupzVr+3Bwm67hS0uZ1vXhGSeRklj059Ttpi/TbXqeOB q+Wl+DhD48e6x3JgIGWaWg109om0eB6fx6VWuDjwbuhJAY9G+Qx7/vpxnkVUdLKuN2o0 4E0MKgE+4sHPl7NeWK7fjvH31HAT3/QXcQRRRT0MdjjRb3hC4ZkOnyD0xdYCwRJ/SF1P 5dnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=P44t64b1Yt2CczJo6SOAPYnnEfAXhRMhGjbg0YSdFKY=; b=uD4XdIeT7/3yuB3tHGqjeRtjjgEnn9aUilk8pHUex32hJSj8HWr1d4FMYgY+EFnzW5 rIX1JvWqNhnTMqrhbSu7F7rPVV+GtBW9OhP+9LfLMZC7bY+nxkbKK/+o+fpe5+lzyQVt bPgC0FLLg6KS5LCGYRqWs0YH8gLMEVtwwFS0unwuTtRrIFnH56nIpaK0vJreDkZK4dTm a/8mkpc1DL2ay7UVraf/D7mzGOfUlrDhcdFbkRh0e5UlbGmZrBHPLRR6fZ5aNP9c5IVW S2KdL24vAIAEGVOsy7Dj1zcIkYbBKgitUbePfprUdY1udCESGQIJdrwrSM1/JaZ1fXCD tfBg== X-Gm-Message-State: APjAAAW8OMfuqo8yNTcMPE/0zg53vNRBgl93fQW6gNhD9NgeIE5cUTWF xrSPuzl76etidU5nWx3Ji2w= X-Google-Smtp-Source: APXvYqwAR1ooAm+K3YiNJXFD4tuydWLDFWaO0CLJ4VvvN+1W/RZGreelHnJEnGprjIniv/pPljEZRw== X-Received: by 2002:a17:902:7202:: with SMTP id ba2mr144069047plb.266.1564959005550; Sun, 04 Aug 2019 15:50:05 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:10 -0700 Message-Id: <20190804224915.28669-30-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 29/34] mm/process_vm_access.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Ingo Molnar , Christoph Hellwig , Jason Gunthorpe , Rashika Kheria , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Andrea Arcangeli , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Mike Rapoport , Mathieu Desnoyers , linux-rpi-kernel@lists.infradead.org, Jann Horn , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Lorenzo Stoakes , Heiko Carstens , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Christopher Yeoh , linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Al Viro Cc: Andrea Arcangeli Cc: Christopher Yeoh Cc: Dave Hansen Cc: Heiko Carstens Cc: Ingo Molnar Cc: Jann Horn Cc: Lorenzo Stoakes Cc: Mathieu Desnoyers Cc: Mike Rapoport Cc: Rashika Kheria Signed-off-by: John Hubbard --- mm/process_vm_access.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index 357aa7bef6c0..4d29d54ec93f 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -96,7 +96,7 @@ static int process_vm_rw_single_vec(unsigned long addr, flags |=3D FOLL_WRITE; =20 while (!rc && nr_pages && iov_iter_count(iter)) { - int pages =3D min(nr_pages, max_pages_per_loop); + int pinned_pages =3D min(nr_pages, max_pages_per_loop); int locked =3D 1; size_t bytes; =20 @@ -106,14 +106,15 @@ static int process_vm_rw_single_vec(unsigned long add= r, * current/current->mm */ down_read(&mm->mmap_sem); - pages =3D get_user_pages_remote(task, mm, pa, pages, flags, - process_pages, NULL, &locked); + pinned_pages =3D get_user_pages_remote(task, mm, pa, pinned_pages, + flags, process_pages, NULL, + &locked); if (locked) up_read(&mm->mmap_sem); - if (pages <=3D 0) + if (pinned_pages <=3D 0) return -EFAULT; =20 - bytes =3D pages * PAGE_SIZE - start_offset; + bytes =3D pinned_pages * PAGE_SIZE - start_offset; if (bytes > len) bytes =3D len; =20 @@ -122,10 +123,9 @@ static int process_vm_rw_single_vec(unsigned long addr, vm_write); len -=3D bytes; start_offset =3D 0; - nr_pages -=3D pages; - pa +=3D pages * PAGE_SIZE; - while (pages) - put_page(process_pages[--pages]); + nr_pages -=3D pinned_pages; + pa +=3D pinned_pages * PAGE_SIZE; + put_user_pages(process_pages, pinned_pages); } =20 return rc; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959061; cv=none; d=zoho.com; s=zohoarc; b=MMpiZA7BMvkhPQSLQMesYUwv6GBwVFQrLVu8bU99xEID0/iEVEhZ3eKAt85TG/RZWhaI2hJI9k66Q5GDViWaXWUIEwU+xp9/CX+xSyge5Lt0rwNYJwsh6XbUfbQKsY1N4etwIApjvtVgZQASng/Rz4jr1f3mDnEMfvhOdjGPTuI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959061; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=m9+ydZWMY7WsZXURtDB5I+6buDgQKx5cgplCELla9q8=; b=GPblLc51rOREWL6BQoANucsB/Qmd6LE1ShRzdHcaIjENX+zaD8V5T28VeJ5LwMPezJYFpqo4vwwUA8RhZHkP/+RmyTPYjoFoakvcpIBLXxvrjsSRKZJogxV2cW9hkBqGHIpphHToUQNAuZV1iQzY48yUYcnJ56OefMypymTJhhE= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 156495906195443.03806238948778; Sun, 4 Aug 2019 15:51:01 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKM-0004qn-Gz; Sun, 04 Aug 2019 22:50:10 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKK-0004l3-Tp for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:08 +0000 Received: from mail-pl1-x644.google.com (unknown [2607:f8b0:4864:20::644]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 34a5330b-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:07 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id c14so35603801plo.0 for ; Sun, 04 Aug 2019 15:50:07 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.05 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:06 -0700 (PDT) X-Inumbo-ID: 34a5330b-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4iYkOl3aeyTERThJenFq1/3UwJx4Onl0nTT+k7YLDaI=; b=amp4rnRki7aZFblJwd+WR3AEEzT5jM0SqyuAgEV5CpAXAAopEM+ITm1VpHO/SXfmvR bo3NeFkBoHD+nAtlrBJ99G13P743PgNgDEkm2beH5ytNMeAvvksIb5/nFkswd7I26BcB Cu1H5Ec5GdgS9K1iSW46QqjiHGOk9ncTBdveqncGI12f820ka+y3wAT0qtpPsphaALcE KARWU4xHW0EFsjyrCk3ygT7cspgIvwlFXf07QJTASmi0+CbMzKJ+WTLfULPC2/v9VrXO To6FnxsBZLTmhG738lrtTmoKuXplA6aK9GPBNooGQXp1H7hHSJ+TLir+Hjd5setkxK8q WV8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4iYkOl3aeyTERThJenFq1/3UwJx4Onl0nTT+k7YLDaI=; b=feJm7S1F88p4HsPw3TjkhJWLxoihS8Lgy9u0TTGiIEdcgaB2LYo9WTMhCl4zgTTZ6u nXdf9o351v8br3gcM7MtLpHGd/dNxB6pgqupV83eOZw8qtlrbDLUPKhi4rlDz6beTMmP HI2I5M+iQbVD+h4m9N+/2Qy3EagiPCcv6pW3UEJCSymu5H4qpwVuKeBEJi2wwPtcTH3J MUZmyvy023R2+zpZp87vSTFdhnt54SeavD4G5dpySbk/cym1N0C/TEAp98miD/mMO6GA 5sAkg9n7T9Xr9yWuwlqpeiMQnDRLr/qEa/xD1rV43423rrABTJfVsPOGyGkwzt/Io9XD /xbA== X-Gm-Message-State: APjAAAUzPztcheEbBQMQTAIyfoFZFn3Z2KCPMWKjo1R97hOTlMNWXktr KWiYgZvXgygR3s75LN0Vru4= X-Google-Smtp-Source: APXvYqxMhyr2kFbHr1O04Zbn2AO0Z+HHRdZeT7lsPwl/97dZ/e7++C1RY1spQOQBhYkgPZq+HBfy0Q== X-Received: by 2002:a17:902:20e9:: with SMTP id v38mr45178412plg.62.1564959007040; Sun, 04 Aug 2019 15:50:07 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:11 -0700 Message-Id: <20190804224915.28669-31-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 30/34] crypt: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Herbert Xu , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Herbert Xu Cc: David S. Miller Cc: linux-crypto@vger.kernel.org Signed-off-by: John Hubbard --- crypto/af_alg.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 879cf23f7489..edd358ea64da 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -428,10 +428,7 @@ static void af_alg_link_sg(struct af_alg_sgl *sgl_prev, =20 void af_alg_free_sg(struct af_alg_sgl *sgl) { - int i; - - for (i =3D 0; i < sgl->npages; i++) - put_page(sgl->pages[i]); + put_user_pages(sgl->pages, sgl->npages); } EXPORT_SYMBOL_GPL(af_alg_free_sg); =20 @@ -668,7 +665,7 @@ static void af_alg_free_areq_sgls(struct af_alg_async_r= eq *areq) for_each_sg(tsgl, sg, areq->tsgl_entries, i) { if (!sg_page(sg)) continue; - put_page(sg_page(sg)); + put_user_page(sg_page(sg)); } =20 sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl)); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959056; cv=none; d=zoho.com; s=zohoarc; b=IpRJU2eKuz4yVMBJC3Go42q7kRIddlOvicHGApWG6x8gb3pU8A5m6OTcxPyqDciu7movqzKlX8VYWSmajpgGXUq2XAYDZAhff/8jt6MC8tnswv22HhQyvkQ2u8tKyH4EimVtbebAMFDVJTbfvH92MnCNfh2JVCF3+caFBp++Ct4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959056; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=3YEt9js0+jwz/EXGuIUmMUqIoiXDj8o7Rz99eHz6v44=; b=A1cBbzJcFYWE4M4jdefQgE9mxDd3IwNgsP9CHoaaMf2agdAN+hf2HhKAMkKCpmutyl48Uq2GdpZpLKTj7G1YLvGZeBJKl7YoKWW21xBiDBOO14hbPBBnwJK3r1sgGcETsk0T45geuJAk3DQKRK9vfzyjCIzr/kVIdN/itDUc6Qc= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959056511392.63200971704475; Sun, 4 Aug 2019 15:50:56 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKO-0004xB-AD; Sun, 04 Aug 2019 22:50:12 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKM-0004qB-8I for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:10 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 35971286-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:09 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id i18so38664420pgl.11 for ; Sun, 04 Aug 2019 15:50:09 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.07 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:08 -0700 (PDT) X-Inumbo-ID: 35971286-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Sx0x91HVjVXCVkLMMHrdncyqT4rW2sU28Vf+3l+oloA=; b=M7iDvAmPBRpGJcJpcoqgvaoi3nLFkyQK4dkSIj4ojX3FvseJtfjnZyfckr18kI2oDa LHzSPof56TngxWHSp0ym44XehwQNp0Dvit6wm4Dt65OPXwL2baR6+4zLMuIAexRHFzmx ZFMgjeYMSC1sErMdOV/WNMAc2Iu4rRWK81eLPAWfZwZdfeXx16tZd5680zs185LTKzUq VYv2LHkMnMPv4yg/Pui3fxt3Z+TxPOd1GexxLj8LbBhnNpT3XVb8jW9mQwG5C5+4ClkN g/MAUKuZK56HuoBkHT35BiifdFKR3pPYOWepAjU+8QcCzdVYmtG3jMaPBQTkt/nS1dsZ WZ9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Sx0x91HVjVXCVkLMMHrdncyqT4rW2sU28Vf+3l+oloA=; b=QTMXyW5Gw7XCBdvx23TyGp1TpCnXLTzPUCszj2s9mlhLyG2W9A2DeLBp5y4nrcLVfN jxN6JVyOLoIa5UMZQe6Eh+a3I+Sc6OegBk07jDSgiT3Iz6j7VwOqhdsOZ5tmsRcI58an nDt0SJtVTNQAkFKjvV2htBB+vKBaQt4RxE3dSmBE5NUxKStBbR4r8EP+OXWsI1/diQ1B D59o4CX0Z9W97/fdzIq9io46WicC8Uj/VfOdj6/cGDtII5pqmcjAB8ujmMicbI+3RJ68 pXVxeKlbAPjj6HktXzvdszbKPBH+mH2UwjbAyxXXw1kVM/z5Kdd90H5fgAl05GmLDS/e LPEA== X-Gm-Message-State: APjAAAVOylzV7k4oooUU4ec0N3agq++6qdivupCtuChTcYkqg5ooRqII 4CWBG/hljVfnKXsRkdQ550I= X-Google-Smtp-Source: APXvYqzdBAOi64WyR4vf0DFOxQNVALmaSa46GoCIBIpjxflBtAErOscOmlieUmCz4Qhdah1mimse2w== X-Received: by 2002:a63:7358:: with SMTP id d24mr133542074pgn.224.1564959008549; Sun, 04 Aug 2019 15:50:08 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:12 -0700 Message-Id: <20190804224915.28669-32-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 31/34] fs/nfs: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Calum Mackay , linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Trond Myklebust , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Anna Schumaker Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Calum Mackay Cc: Trond Myklebust Cc: Anna Schumaker Cc: linux-nfs@vger.kernel.org Signed-off-by: John Hubbard Reviewed-by: Calum Mackay --- fs/nfs/direct.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 0cb442406168..c0c1b9f2c069 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -276,13 +276,6 @@ ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_i= ter *iter) return nfs_file_direct_write(iocb, iter); } =20 -static void nfs_direct_release_pages(struct page **pages, unsigned int npa= ges) -{ - unsigned int i; - for (i =3D 0; i < npages; i++) - put_page(pages[i]); -} - void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo, struct nfs_direct_req *dreq) { @@ -512,7 +505,7 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nf= s_direct_req *dreq, pos +=3D req_len; dreq->bytes_left -=3D req_len; } - nfs_direct_release_pages(pagevec, npages); + put_user_pages(pagevec, npages); kvfree(pagevec); if (result < 0) break; @@ -935,7 +928,7 @@ static ssize_t nfs_direct_write_schedule_iovec(struct n= fs_direct_req *dreq, pos +=3D req_len; dreq->bytes_left -=3D req_len; } - nfs_direct_release_pages(pagevec, npages); + put_user_pages(pagevec, npages); kvfree(pagevec); if (result < 0) break; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959062; cv=none; d=zoho.com; s=zohoarc; b=GYmCJNNElqU+ytmVNETk3E3FyXvQnj9S9fw8Pi0Q6YDuofHDpir9fCi+jBB2CxeMSTax+X1p97csVLSj1h88TzPj+BZ1nW6oTyEKBJOtvgsVq/MvPY5B4aX9JdvFEcuziM+eP+S+Yg5+LeDJAZXHxZ1D4ZqY65hoPnahfpJxwQM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959062; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=HAfBLN+cywRoVHGyhY2oHf9N6cKG0Hrsg3/kaGUAMLQ=; b=SVwoPmpeedrYUPok+2xIYwNWW3eVqLnNiAQJkiDzRtfh6IvcDzINc7/WsAcDbz0UWS3D11QPPctydUO9FB8TSth64kvvRLF4jKQwzpoc8w7xYzVBLrvu40cMTGrSw0uvIAVNKaS4dhskcaTvW9T8WDOKIvaHnLQGO9DEmkhceJk= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959062431252.44685118383939; Sun, 4 Aug 2019 15:51:02 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKO-0004y0-Q8; Sun, 04 Aug 2019 22:50:12 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKN-0004tP-H7 for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:11 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 367641e9-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:10 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id m9so35552225pls.8 for ; Sun, 04 Aug 2019 15:50:10 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.08 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:09 -0700 (PDT) X-Inumbo-ID: 367641e9-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=46lxAY1z81U+mrrESVpVIrQ+fWJc6iHl4OExj8KwBEA=; b=TnoFvHk+U9GlniOKiXvWmHaHCeiVRyFhspf1Ucco3Opb6Zsra5EKt4aW1VdCEHOoOL B19ZrZSjdl4XOLjhMd/tz/suTkdRby0Q/hj5CJZSGF/pCKAPl5af/u3ds9o4NJugQJUH wah7eFEy+LBD8ieXrf5M4ghNwdqYF47d1zgnqfS2OWPzozoT/nJvTGXUM3ZYObcV1Nod /B+8RZc6MysuCMtgdDFKXIhBZ1vxh5KoYsW/S+ERZyza2fEF3JOhoez0XL3hqg3QsNHf A2vrE2EWhCkc/+2Bi4Qkus+K6o78OOjPZC/JIdc8d4G2oWHuj6EfQ91Jku0EJ0FsNSHa w9qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=46lxAY1z81U+mrrESVpVIrQ+fWJc6iHl4OExj8KwBEA=; b=hweA30hNRLUZsTlyTjs0YKISnkLbRc/+1TC/h8BnnKbvKLP/eZwhuN0W9QUEeI38RW b5PH68Fzs8xExTZI4jULTAwHfjwOYus1hsgGG7g823+5AfxNMsAPi/qYloWY1a+QkByg 5CQzxtN3m8j6xp1Ve59wSqj1NKJ/PWoCooYSr7Ynse47f77VK6kCHIkMnTgSXKCW34Gb 9kjFMuKaCWc0hlgHxMTNJP7SILAzpa0O+Bh6AiTBREiE8xeCEj3139zApv327TMb1vDm fXOXsIuEJyQIVdcSnX5ATBm7Rn4JFsBDmqyc+UryiJN7V7YDF4p0TPClggz0wUq6wTNk l0VA== X-Gm-Message-State: APjAAAXLfcJNi2V1uLiM8uUS3+uKqH7IOy/zrMct/9Gju59hEkhcHi5B jQi0uJra/k4Q/LNCheJWzA4= X-Google-Smtp-Source: APXvYqzB7V+habp3I96Q8m7XMJqRYvky1QL0M1s1kWUjAVtyhhVWp0HvJtmcLDTq9kGGDNeFtLuO/Q== X-Received: by 2002:a17:902:9a84:: with SMTP id w4mr21647219plp.160.1564959010056; Sun, 04 Aug 2019 15:50:10 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:13 -0700 Message-Id: <20190804224915.28669-33-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 32/34] goldfish_pipe: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Roman Kiryanov , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in qp_release_pages(): it now ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christoph Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Greg Kroah-Hartman Cc: Roman Kiryanov Signed-off-by: John Hubbard --- drivers/platform/goldfish/goldfish_pipe.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/g= oldfish/goldfish_pipe.c index cef0133aa47a..2bd21020e288 100644 --- a/drivers/platform/goldfish/goldfish_pipe.c +++ b/drivers/platform/goldfish/goldfish_pipe.c @@ -288,15 +288,12 @@ static int pin_user_pages(unsigned long first_page, static void release_user_pages(struct page **pages, int pages_count, int is_write, s32 consumed_size) { - int i; + bool dirty =3D !is_write && consumed_size > 0; =20 - for (i =3D 0; i < pages_count; i++) { - if (!is_write && consumed_size > 0) - set_page_dirty(pages[i]); - put_page(pages[i]); - } + put_user_pages_dirty_lock(pages, pages_count, dirty); } =20 + /* Populate the call parameters, merging adjacent pages together */ static void populate_rw_params(struct page **pages, int pages_count, --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959063; cv=none; d=zoho.com; s=zohoarc; b=VpyNflbQaCS4snK5gKjcqgoC9Vai+iCgCrA0kr089gi5VvVhz2uVssLVCHqbVP3IFYR75CkiewY9mMqpwM1DMy7k9VmW+ZQIvdnNCoNPLpAqb+jRDJWx+hvdsP1CL1w9Emp+r6q1+66Te3hJYfZUH0IsRNrgTfEr5bLzYZYfX1s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959063; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=/9YWVL4dJAhzGLsxJ3PRabtbfk760nBJxtteE9kWGVs=; b=Pyau5Ys2t42tlHcmK6YPPFQ+Xue1mWG2jm+h1TiZVxmy1chcfWwIV1oIuVDj2SV0CVsXEnIzNMeZI0mixYO0wwt46OcvqDAFFJHpivrVzThJuBarwPGCedGmKuYiVV5GvsXdfr+Y2x0EjO7m6Wiyk/u8xhqiTyIZ+BfmAA7drNA= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959063008417.24867241542836; Sun, 4 Aug 2019 15:51:03 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKQ-00050s-DG; Sun, 04 Aug 2019 22:50:14 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKO-0004xo-SG for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:12 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 37588405-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:12 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id r7so38601609pfl.3 for ; Sun, 04 Aug 2019 15:50:12 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.10 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:11 -0700 (PDT) X-Inumbo-ID: 37588405-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rv0dCo+fqAQ13SgPxACDlFOa16RsKjSPlFe+eBoZNRU=; b=YPOY1YFdr7iX/mwZQqcGNXlBs0EVKoyeBFEUqInEu6rA0ndI8Mif+0ZPJeKKJ5iFwE NKOF3uvUa5VJ+UGiH9nbc87NqjJWsSl0scr9GeK88ydFUly3DCHseKqxTpEd0IfXvu5q jcaFXkdAdHJL26lkS0kDgmBvj/6IRTs5wSna3kfRs+vwcKzTL9APp6Wsc+o3ppVF+IRl wjQCOTSjcDQ7GQjBBXsLdt+Iue6eXN2thWrje4Rt9XoDAoEpWZdNECCtZUxO8cwujSm4 fowCwuwgU3C+BFfj4zTJJ1Y4PbaxN4OhvtwxUy9pYDnCK6XNpmRXg/q/Jb/Qj5fLadYM mSpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rv0dCo+fqAQ13SgPxACDlFOa16RsKjSPlFe+eBoZNRU=; b=Xiv50R6BejT0jAbpSZH2UmkKbdXSEbbHmmjbm6ieaMk93udR3XRYUOkQJ0gQJbGJM2 CiMbkqNZX64zfDP+8zDkSAPd/EDzInt1vfdfp6nqEdtootGUr6sdMzFZfgwpx2jTN08q hcIhyZu6IlvheT7LZ7T1HX4kzR03lWfiOF1+u/FPDgKgoXCSxETqeEydfAwymvrox1lg uxLmiC47yGbGv1MgZsBLKSL5YiKqg8jty6LIDPV8qlV6GZVZI+p+bGzG+pN0ov+St0Gv UP7h+3m1Bvvgbk9M+rfgpHc5jeauPhG+0+MwbaESz039E4UKn5u95UfxJA+iSI7jW9Oq rp7g== X-Gm-Message-State: APjAAAXEO5W3egQRXHaYMx7aRGJTXyfvXW8XqSxGneptyiqWXzilc7Up AhlZ2hDxjslZuB42B8LeR+o= X-Google-Smtp-Source: APXvYqxvM1qX7vPDXvngph7SDjRt5A72CS0QHjJHMrDwzL+npYmbY1LXNKjG2Jciqo+k4AO5Wz8/Mw== X-Received: by 2002:a17:90a:b883:: with SMTP id o3mr15076411pjr.50.1564959011569; Sun, 04 Aug 2019 15:50:11 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:14 -0700 Message-Id: <20190804224915.28669-34-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 33/34] kernel/events/core.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Jiri Olsa , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, Arnaldo Carvalho de Melo , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Namhyung Kim , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Alexander Shishkin , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: John Hubbard --- kernel/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 0463c1151bae..7be52bbbfe87 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6426,7 +6426,7 @@ static u64 perf_virt_to_phys(u64 virt) phys_addr =3D page_to_phys(p) + virt % PAGE_SIZE; =20 if (p) - put_page(p); + put_user_page(p); } =20 return phys_addr; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 09:01:43 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564959060; cv=none; d=zoho.com; s=zohoarc; b=JVBkkUxtCTgWUaq2yDHR8eqBlq8/6RvrWP2GafRHKzw5kUbpKJWiNB+reO49pvaxiJpsqQ/we1PlMUcOMO1VZIAkNeh42dXgYBGtJTqkTMzElAGBDAV8svFhM8BqWHMNSzi5rCbYjPlNqLTfcrc7menCCEMdbDgqhyGl7aw4TAk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564959060; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=Hiej8qcfw2bdL6pVsRjVb+TBkF1n7jCAszGBydoJcfY=; b=C1F+0JFKlszRHMvrlRg2oDuiLXpsUlRPeQsCyWKLXWOgC+zm9DwEAl8RjoKczEXh4tJfIMqv6vWlPb5l57qjc0OC0xbiLmNcdz9KoQ1CRTvrwKLWaOowFHtV3ZKubX0XDU0CqfFusvotdTOhX1x3UmgUjURGOcjsam7lPCLQfRQ= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564959060581451.16811216155486; Sun, 4 Aug 2019 15:51:00 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKQ-00051t-V7; Sun, 04 Aug 2019 22:50:14 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1huPKQ-00050I-65 for xen-devel@lists.xenproject.org; Sun, 04 Aug 2019 22:50:14 +0000 Received: from mail-pg1-x542.google.com (unknown [2607:f8b0:4864:20::542]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 3834969b-b70a-11e9-8980-bc764e045a96; Sun, 04 Aug 2019 22:50:13 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id w3so1455498pgt.13 for ; Sun, 04 Aug 2019 15:50:13 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.50.11 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:50:12 -0700 (PDT) X-Inumbo-ID: 3834969b-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cegKTIaYJ+tSle0YiC1yJpybmvJrVZXG5Xryw9OToL0=; b=aCkaquioWJVgZ9oxi+kgs0xYn9XvezpV99sLT07IcNs8SpVl8RxEWxB8NfzIRBrjBL 2B4dJHw2cG5TO6qtCk6u4ZcIwavE5x+pbFyHjAA9Gawo5yJz/cR/RN7KLFsBrzcuwVZV WP2fTbo7D/YmdMo3LfJiKW1AjSHc3oDEIZmC59HJW1UrPrOWaY8WJXtwgsxilT0195Uq ocw3UqvOC5KedpAwMEgqM2mZYVxGq6/tGgBNtuTtcR3B451sP4Bb3FZmj7gUlwzeWEUc XzVXXNThe+NP4na45hxvXL3T6bslaXSJNEyIhO73A4aiizrSPKRgEZ7pYwnnfabRC/Y3 oqhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cegKTIaYJ+tSle0YiC1yJpybmvJrVZXG5Xryw9OToL0=; b=oC3kz4ZZ4rMjRoOjiBLhGAABCut+RWJmJdKN1A72miJ68fx4ru/AnEVd642CUm7i/R 8PXC+bJYRYElR69s5hki3ijs3g9XLz1jJHtDAeQe+sqzrHHN87pWwovG4R55h1b2rUyV 9tqCDIeNgVhj5psLTJZOgN+23LqL32OQ5wpEUCAx1o+8hkz7Sf+tG3c/PDgqVt7EdXvk vAo8PfUu8GqmfZV+UN0g3rGmlal6Jwumbk/Dw9kJk0h3js7xZMLTytpTd1eXrezg5L8Z iho+NNAETNhuo3B36bjUbec9RhWyER+NrQfpW/DhDWDEiyFsxcUnO1FP3BkCYv/5OLVf fKhg== X-Gm-Message-State: APjAAAVSvaCyLrtG+xJknCIUa/CZr6RpIxMfFwn3T3IfpkXVzPzJ8P18 RPTlS2uBhxkWN48oVLu4/GU= X-Google-Smtp-Source: APXvYqwQo0taKdXUQzpI7809Qn44c5UC2qpj3t9n7qUuNadX/5xLSvSBDLCQnHDNoFHPmzlJl8WofQ== X-Received: by 2002:a17:90a:2767:: with SMTP id o94mr14743655pje.25.1564959012976; Sun, 04 Aug 2019 15:50:12 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:15 -0700 Message-Id: <20190804224915.28669-35-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 34/34] fs/binfmt_elf: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Ira Weiny For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). get_dump_page calls get_user_page so put_user_page must be used to match. Signed-off-by: Ira Weiny Signed-off-by: John Hubbard --- fs/binfmt_elf.c | 2 +- fs/binfmt_elf_fdpic.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index d4e11b2e04f6..92e4a5ca99d8 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2377,7 +2377,7 @@ static int elf_core_dump(struct coredump_params *cprm) void *kaddr =3D kmap(page); stop =3D !dump_emit(cprm, kaddr, PAGE_SIZE); kunmap(page); - put_page(page); + put_user_page(page); } else stop =3D !dump_skip(cprm, PAGE_SIZE); if (stop) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index d86ebd0dcc3d..321724b3be22 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1511,7 +1511,7 @@ static bool elf_fdpic_dump_segments(struct coredump_p= arams *cprm) void *kaddr =3D kmap(page); res =3D dump_emit(cprm, kaddr, PAGE_SIZE); kunmap(page); - put_page(page); + put_user_page(page); } else { res =3D dump_skip(cprm, PAGE_SIZE); } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel